Jeopardy! Round, Double Jeopardy! Round, or Tiebreaker Round clues (1000 results returned) (search results maxed out)

#9066, aired 2024-03-25MARINE BIOLOGY $400: In 2022 the deepest fish, a snailfish, was found at over 27,000 feet in the Izu-Ogasawara one of these deep ocean depressions a trench
#9066, aired 2024-03-25MARINE BIOLOGY $800: The Venus sea fan, a soft type of this, has numerous polyps that grow together in a fanlike pattern, with each polyp having 8 tentacles a coral
#9066, aired 2024-03-25MARINE BIOLOGY $1,000 (Daily Double): The heaviest bony fish at a weight of more than 6,050 pounds, it has a celestial name & dines mainly on jellyfish a sunfish
#9066, aired 2024-03-25MARINE BIOLOGY $1600: This member of the weasel family is the only marine mammal that catches fish with its forepaws, not its mouth a sea otter
#9066, aired 2024-03-25MARINE BIOLOGY $2000: When buried in the sand, skates & rays rely on these holes near the eyes for breathing oxygen spiracles
#9000, aired 2023-12-22BIOLOGY $400: Term for the organism that provides nutrition to a parasite, not always willingly or knowingly a host
#9000, aired 2023-12-22BIOLOGY $800: This class of animals whose name indicates 2 habitats is extra menaced by climate change as warming of either home means trouble an amphibian
#9000, aired 2023-12-22BIOLOGY $1200: It's the collective word for all the DNA, RNA, whateverna in an organism its genome
#9000, aired 2023-12-22BIOLOGY $2000: As a pairing in biology class, A&P is amoeba, which moves using pseudopods, & this protist that moves with hairlike cilia a paramecium
#9000, aired 2023-12-22BIOLOGY $10,000 (Daily Double): This adjective for the organ that gives nutrients to the fetus describes all mammals except marsupials & a few even weirder ones placental
#8939, aired 2023-09-28NATURAL BIOLOGY $200: Arterioles are a link between arteries & these fine blood vessels capillaries
#8939, aired 2023-09-28NATURAL BIOLOGY $400: It's often a warning when this tuft or plume on a cockatoo's head stands up a crest (a comb)
#8939, aired 2023-09-28NATURAL BIOLOGY $600: From the Latin for "to carry", it's the time period between conception & birth gestation
#8939, aired 2023-09-28NATURAL BIOLOGY $800: The chelae on arthropods are these, & it may make them crabby if you mess with them claws (pincers)
#8939, aired 2023-09-28NATURAL BIOLOGY $1000: This material, such as your stapes, is formed by ossification bone
#8929, aired 2023-09-14BIOLOGY $200: The monkey puzzle tree has its roots in this dino period 200 million years ago Jurassic
#8929, aired 2023-09-14BIOLOGY $400: Seen here, honey bees fill small baskets of specialized hairs on their hind legs with this powder pollen
#8929, aired 2023-09-14BIOLOGY $600: Biologists prefer "transitional form" instead of this 2-word term for an intermediate species connecting, say, humans & apes a missing link
#8929, aired 2023-09-14BIOLOGY $800: This spiny, globular "sea" creature has an apparatus called Aristotle's lantern that lets it scrape algae from rocks & munch away an (sea) urchin
#8929, aired 2023-09-14BIOLOGY $1000: The nictitating membrane on a crocodile that helps it see underwater is often called the third this an eyelid
#8884, aired 2023-06-01BIO PICS $400: Put on your marine biology hat, don't struggle helplessly & do name this Picasso-esque flatfish a flounder
#9, aired 2023-05-15ABBREV. $1000: Remember your cell biology? E.R. is this membrane system with a name that's fun to say endoplasmic reticulum
#5, aired 2023-05-10YOU BUG ME $2000: Not sounding much like biology-speak, it's the term for the figure-8 dance bees use to tell others the distance & direction to food waggle
#1, aired 2023-05-08JASON ALEXANDER: MASTER OF MY DOMAIN $600: (Jason Alexander gives the clue.) Mastering the field of marine biology on "Seinfeld", I found certain man-made objects can obstruct the blowholes of large cetaceans; specifically, was that a golf ball made by this brand? a Titleist
#8825, aired 2023-03-10BIOLOGY $400: When the luciferin in some organisms oxidizes, it causes them to do this glow (or light up)
#8825, aired 2023-03-10BIOLOGY $800: This disk-shaped organ that develops during pregnancy provides oxygen & nutrients to the fetus & also carries away waste a placenta
#8825, aired 2023-03-10BIOLOGY $1200: It's the thin, watery outer layer of an amoeba cell, or in the movies, ghost slime ectoplasm
#8825, aired 2023-03-10BIOLOGY $1600: If one organism benefits at the expense of another, it's parasitism; if both benefit, it's this type of symbiosis mutualism
#8825, aired 2023-03-10BIOLOGY $2000: When a male & female gamete get together, they form a fertilized egg cell called this a zygote
#8813, aired 2023-02-22SCIENCE CRITTERS $600: If you've taken biology, you've probably studied Drosophila, these alliterative winged insects fruit flies
#8762, aired 2022-12-132-SYLLABLE WORDS $600: In biology, it's a thin outer layer of a cell; osmosis is the passage of a fluid through a semipermeable one a membrane
#8749, aired 2022-11-24BIOLOGY $400: Discovered around 1915, bacteriophages are bacteria-eating types of these other tiny disease-causing agents viruses
#8749, aired 2022-11-24BIOLOGY $800: In hibernating bears this rate slows much more than a drop in body temp would explain, with heart rate going from 55 to 14 their metabolic rate
#8749, aired 2022-11-24BIOLOGY $1200: Wind-dispersed seeds are named for types of flying craft; maple seeds are this type that spins to get farther from the tree a helicopter
#8749, aired 2022-11-24BIOLOGY $1600: A villanelle is a type of poem; this is a structure in a cell with a specific function, like mitochondria or vacuoles an organelle
#8749, aired 2022-11-24BIOLOGY $9,000 (Daily Double): In the cell cycle, it follows metaphase; alphabetically, it comes first anaphase
#5, aired 2022-10-23BIOLOGY $200: In the winter, some animals enter this dormant state in which body temperature lowers & breathing & heart rate slow down hibernation
#5, aired 2022-10-23BIOLOGY $600: In 1996 one of these named Dolly was the first mammal to be cloned from an adult cell a sheep
#5, aired 2022-10-23BIOLOGY $800: As part of metamorphosis, some caterpillars create this "C" structure similar to a cocoon & live in it until their next phase a chrysalis
#5, aired 2022-10-23BIOLOGY $1000: The 2 strands of this stuff that codes genetic information are said to resemble a twisted ladder DNA
#5, aired 2022-10-23BIOLOGY $12,000 (Daily Double): Animals like frogs that can live on land or water are known as these, from the Greek for "both" & "life" an amphibian
#8721, aired 2022-10-17HERE'S YOUR SCIENCE PRIZE $800: Frederick Sanger is the only 2-time winner of the Nobel Prize in this, for work on proteins in 1958 & nucleic acids in 1980 the Chemistry Prize
#8694, aired 2022-07-28STARTS WITH 2 VOWELS $800: Seaweed is a good source of this element, an essential micronutrient iodine
#8665, aired 2022-06-17MARINE BIOLOGY $400: The giant & colossal species of this are the world's 2 largest cephalopods & may reach 60 feet & 2,000 pounds squid
#8665, aired 2022-06-17MARINE BIOLOGY $800: A new theory says that as cetaceans evolved from land animals, the nostril moved to the top of the skull & became this orifice the blowhole
#8665, aired 2022-06-17MARINE BIOLOGY $1200: The movement of invasive species from the Red Sea to the Mediterranean via this waterway has been called Lessepsian migration the Suez Canal
#8665, aired 2022-06-17MARINE BIOLOGY $1600: Benthic organisms that live on the ocean bottom include sponges, bristle worms, & these prickly echinoderms a sea urchin
#8665, aired 2022-06-17MARINE BIOLOGY $2000: This smallest North American marine mammal is a key species in kelp forests, keeping consumers of the kelp in check the sea otter
#8661, aired 2022-06-13ROCK DOCS $1200: "I'm just a sucker with no self-esteem" sang Dexter Holland, a molecular biology PhD who's the lead singer of this band The Offspring
#11, aired 2022-02-16THEY WROTE YOUR TEXTBOOKS $400: Neil Campbell of the Campbell-Reece text on this life science was an expert on mimosas--not the drink but a pea family plant biology
#8541, aired 2021-12-27MIX-OLOGY $200: To life: OILY BOG biology
#8527, aired 2021-12-0710-LETTER WORDS $1200: This biology branch that shares a Nobel Prize category deals with the functions of living organisms physiology
#8525, aired 2021-12-03IT'S A SCIENCE $3,000 (Daily Double): A German zoologist coined the name of this branch of biology that studies the relationship between organisms & their environments ecology
#8354, aired 2021-03-11NOT YOUR EVERYDAY WORDS $1000: From biology, commensalism is a type of this mutual relationship in which 1 partner benefits & the other is unaffected a symbiotic relationship
#8350, aired 2021-03-05MARINE BIOLOGY $200: Species of this cephalopod with 10 appendages include the colossal, which can be 40' long, & the southern pygmy, less than 3/4" a squid
#8350, aired 2021-03-05MARINE BIOLOGY $400: One look at the forehead of the genus Naso, & you'll see why it's also known as this fish a unicorn fish
#8350, aired 2021-03-05MARINE BIOLOGY $600: The polyp is the body of this creature whose name also refers to its skeleton; masses of them form reefs a coral
#8350, aired 2021-03-05MARINE BIOLOGY $800: A major type of these free-floating ocean organisms, with a name from Greek for wandering, dinoflagellates can cause red tides plankton
#8350, aired 2021-03-05MARINE BIOLOGY $1000: A brown alga, this largest seaweed can grow 200 feet long & forms forests off the California coast (giant) kelp
#8305, aired 2020-12-18BIOLOGY $400: By definition an aerobe is an organism that lives only in the presence of this element oxygen
#8305, aired 2020-12-18BIOLOGY $1200: Considering it's about 7 feet up from its heart to its brain, this mammal's normal blood pressure is about 280/180 the giraffe
#8305, aired 2020-12-18BIOLOGY $1600: From Greek for "to join", it's the cell formed by the joining of a male & a female gamete a zygote
#8305, aired 2020-12-18BIOLOGY $2000: During this 13-letter process, plants lose water in the form of vapor escaping through their leaves transpiration
#8305, aired 2020-12-18BIOLOGY $3,000 (Daily Double): As exhibited by many turtles, TSD is the determination of sex by this environmental factor that affects the eggs temperature
#8293, aired 2020-12-02SCIENCE BOOKS $400: "The 8th day of" this biblical event covers the development of molecular biology creation
#8276, aired 2020-11-09KEN JENNINGS--MARINE BIOLOGIST $1200: (Ken Jennings presents the clue.) This cartilaginous fish with a barbed tail & its mouth on its underside lives on the ocean bottom; its relative, the manta ray, is found in open waters, so I wonder how the classic marine biology text, "Rock Lobster" by the B-52s, can possibly have them swimming together a stingray
#8276, aired 2020-11-09KEN JENNINGS--MARINE BIOLOGIST $2000: (Ken Jennings presents the clue.) Marine biology with a touch of military history: during World War II, Scripps Institution of Oceanography scientists identified a crustacean whose noises were interfering with the detection of these enemy vessels submarines
#8252, aired 2020-10-06CORPORATE LINGO $800: In biology, it's all the diverse organisms in a location; in business, it's all the parts of an industry an ecosystem
#8179, aired 2020-03-12REPORT CARDS OF HISTORICAL FIGURES $400: Biology: Communicates observations well & helps others, like after his 1954 vaccine trial with 1.8 million kids Salk
#8145, aired 2020-01-24THE ROYAL SOCIETY OF LONDON $2000: In 1920 the society awarded William Bateson a royal medal for his work in this field of biology he had named in 1905 genetics
#8114, aired 2019-12-12BIOLOGY $400: Unlike mammals, birds regenerate cells within their ears, so the barn type of this doesn't lose its incredible hearing with age an owl
#8114, aired 2019-12-12BIOLOGY $800: This dietary progression might begin with plants, move up through herbivores & end with large carnivores a food chain
#8114, aired 2019-12-12BIOLOGY $1200: This term for the systematic classification of organisms comes from the Greek for "arrangement" taxonomy
#8114, aired 2019-12-12BIOLOGY $2,000 (Daily Double): The rhinoceros, the tapir & the horse all belong to the "odd-toed" group of these hoofed animals ungulates
#8114, aired 2019-12-12BIOLOGY $2000: It's not Tchaikovsky changing his mind, it's the term for an organism that breaks down dead plants & animals into simpler forms a decomposer
#8075, aired 2019-10-18BIOLOGY $400: 4-letter word for an organism that provides sustenance to one or more parasites the host
#8075, aired 2019-10-18BIOLOGY $800: Descendants of these cells, progenitor cells have their own medical potential but are more limited in what tissue they can become stem cells
#8075, aired 2019-10-18BIOLOGY $1200: In invertebrates, this outermost layer of the skin is usually only one cell thick the epidermis
#8075, aired 2019-10-18BIOLOGY $1600: In most mollusks a trochophore is the animal at this juvenile stage that looks very different from the adult the larva stage
#8075, aired 2019-10-18BIOLOGY $2000: (Sarah of the Clue Crew demonstrates using a scientific substance.) Bacterial cultures need to be heated to the temperature of the human body. So they are put in this gelatin-like material, derived from Gelidium red seaweed algae, which doesn't melt at high temperatures agar
#8067, aired 2019-10-08MAKE LIGHT WORK $400: The light type of this is a basic tool of cell biology, magnifying specimens hundreds of times a microscope
#8041, aired 2019-07-22THE LIVING WORLD $400: In a study on this winter state of being, the Institute of Arctic Biology found that a bear's heartbeat would slow to 3 per min. hibernation
#7991, aired 2019-05-13COLLEGES & UNIVERSITIES $800: John Steinbeck studied marine biology at this private California school on & off 1919-1925, but never got a degree Stanford
#7952, aired 2019-03-19TRIPLE "O" RATED $200: Branch of biology that brings together bees, buffaloes & barracudas zoology
#7893, aired 2018-12-26"W"RITERS $400: His first published book was a biology text; his first novel was "The Time Machine" (H. G.) Wells
#7862, aired 2018-11-13YOU'VE GOT CLASS $2000: Let's muscle in some biology with this muscle in the upper arm; its name comes from Latin words for "2" & "head" a bicep
#7844, aired 2018-10-18AP BIOLOGY $200: The original 2 chains, it's thin, it's chainlike & its found in every living cell on Earth RNA and DNA
#7844, aired 2018-10-18AP BIOLOGY $400: You give me this bone, the head of which forms a ball-&-socket joint with the hip the femur
#7844, aired 2018-10-18AP BIOLOGY $600: The science of naming & classifying organisms is called this, though the IRS has little to do with it taxonomy
#7844, aired 2018-10-18AP BIOLOGY $800: This, the beginning of growth for a seed, requires 3 basic elements: water, oxygen & the right temperature germination
#7844, aired 2018-10-18AP BIOLOGY $1000: Latin for "whip" gives us the name of this hairlike appendage, used for locomotion by most bacteria flagellum
#7838, aired 2018-10-10BIG PHARMA $1000: Biotech giant Amgen was founded in 1980 as Applied Molecular this genetics
#7761, aired 2018-05-14SCHOOL OF ROCK $600: Sam Cooke hoped to be an "A" student but admitted, "Don't know much" about this life science biology
#7622, aired 2017-10-31GREAT BOOKS OF SCIENCE $1600: Richard Dawkins changed evolutionary biology with "The Selfish" this gene
#7605, aired 2017-10-06CHEMISTRY $800: In biology, an insectivore; in chemistry, a measuring unit of very small things a mole
#7593, aired 2017-09-20MARINE BIOLOGY $400: Unlike the stingray, this "devilfish" doesn't have a stinger in its tail a manta ray
#7593, aired 2017-09-20MARINE BIOLOGY $800: This "colorful" tide occurs in warm waters when there is an increase of protozoa called dinoflagellates a red tide
#7593, aired 2017-09-20MARINE BIOLOGY $1200: The American eel begins life in this area of the north Atlantic but eventually migrates to fresh water the Sargasso Sea
#7593, aired 2017-09-20MARINE BIOLOGY $1,600 (Daily Double): Since it is lighter than water, the oil mainly in this organ prevents sharks from sinking the liver
#7593, aired 2017-09-20MARINE BIOLOGY $2000: Australian waters contain many species of this sea snail, including the greenlip & blacklip the abalone
#7580, aired 2017-07-21BIOLOGY $200: By definition bacteria called anaerobes don't need this to live oxygen
#7580, aired 2017-07-21BIOLOGY $400: In an earthworm, pairs of nephridia, similar to these human organs, filter & remove waste kidneys
#7580, aired 2017-07-21BIOLOGY $600: Linked to some birth defects, aneuploidy is the condition of having an abnormal number of these chromosomes
#7580, aired 2017-07-21BIOLOGY $1000: (Jimmy of the Clue Crew presents.) Blood has 4 main components: red blood cells that make up about 45% of the volume, white blood cells & platelets that account for less than 1%, & making up about 55% is this liquid part that transports cells throughout the body plasma
#7580, aired 2017-07-21BIOLOGY $1,500 (Daily Double): There are 3 main types of these in the body--smooth, striated & cardiac muscles
#7508, aired 2017-04-12BIOLOGY $400: These compounds are called the building blocks of protein amino acids
#7508, aired 2017-04-12BIOLOGY $800: (Sarah of the Clue Crew shows a cat on the monitor.) More common in white cats is something called heterochromia where one eye is blue & the other is a different color due to a gene that prevents this pigment from reaching the blue eye melanin
#7508, aired 2017-04-12BIOLOGY $1200: In taxonomy, animals are classified by domain, then kingdom, then this subdivision phylum
#7508, aired 2017-04-12BIOLOGY $1600: 2 genetically identical daughter cells are produced in this process of cell duplication mitosis
#7508, aired 2017-04-12BIOLOGY $2000: In vertebrates, this sac contains the embryo; it has its own fluid, too the amniotic sac
#7479, aired 2017-03-02ZOO-TOPIA $200: (Sarah of the Clue Crew presents from the Smithsonian's National Zoo.) The Smithsonian's National Zoo & its Conservation Biology Institute has been a leader in giant panda research & conservation since the arrival of Ling-Ling & Hsing-Hsing in 1972, a gift from China to this president & the American people Nixon
#7457, aired 2017-01-31NO MAN $2000: Sir Richard Owen, who had been Mr. Biology in Britain, wrote a bitter, negative review of this seminal 1859 book On the Origin of Species
#7402, aired 2016-11-15ONLINE LEARNING $800: At Bozeman Biology, you can "learn by" or learn about this process of fluid diffusion through a membrane osmosis
#7370, aired 2016-09-30BIOLOGY $400: During this process, a protein in the blood called fibrinogen is converted into fibrin threads clotting
#7370, aired 2016-09-30BIOLOGY $800: First found in French bakeries, Neurospora crassa, a type of this fungus, led to many genetics discoveries bread mold
#7370, aired 2016-09-30BIOLOGY $1200: In the eye the size of this round opening is controlled by dilator & sphincter muscles a pupil
#7370, aired 2016-09-30BIOLOGY $1600: An epitope is the site on an antigen like a bacterium where this protective type of protein binds & attacks an antibody
#7370, aired 2016-09-30BIOLOGY $2000: Only about 1 1/3 inches long & less than 1/10th of an inch in diameter, it ventilates the middle ear to keep pressure normal the Eustachian tube
#7313, aired 2016-06-01THE 2015 IG NOBEL PRIZES $2000: Biology: for seeing when you attach a weighted stick to a chicken's rear, it walks like these "are thought to have walked" dinosaurs
#7292, aired 2016-05-03BIOLOGY $400: Dizygotic twins, which develop from 2 separate eggs, are better known by this "brotherly" name fraternal twins
#7292, aired 2016-05-03BIOLOGY $800: During this process, an enzyme in yeast called zymase converts sugar into alcohol fermentation
#7292, aired 2016-05-03BIOLOGY $1200: The 24-hour physiological cycle that regulates sleep & feeding is known as this "rhythm" the circadian rhythm
#7292, aired 2016-05-03BIOLOGY $1600: These hairlike projections on protozoans are used for locomotion cilia
#7292, aired 2016-05-03BIOLOGY $2000: This gelatinous substance derived from red algae is used as a culture medium for bacteria (& to thicken soups) agar
#7281, aired 2016-04-18MARINE BIOLOGY $400: This weather warming phenomenon that occurs every 3-7 years caused the death of much coral in 1997 & 1998 El Niño
#7281, aired 2016-04-18MARINE BIOLOGY $800: The pearly or chambered type of this mollusc jet-propels itself around the ocean a nautilus
#7281, aired 2016-04-18MARINE BIOLOGY $1200: The 6 species of the deadly sea krait are related to this "hooded" Asian snake a cobra
#7281, aired 2016-04-18MARINE BIOLOGY $1600: The baleen plates in the mouths of certain whales are made of this protein, the same as your fingernails & hair keratin
#7281, aired 2016-04-18MARINE BIOLOGY $2000: Soon after hatching, loggerhead ones ride currents out to sea to escape predators & grow sea turtles
#7266, aired 2016-03-285 QUESTIONS $1600: (Kelly of the Clue Crew shows a biology diagram on the monitor.) Metaphase is the third stage of five stages of the production of two cells from an existing one, a process known by this term mitosis
#7129, aired 2015-09-17BIOLOGY $400: Insert 2 letters into "melanin" to get this hormone that helps make you sleepy melatonin
#7129, aired 2015-09-17BIOLOGY $800: Most of these catalysts are proteins that end with the letters -ase enzymes
#7129, aired 2015-09-17BIOLOGY $1200: Your floating ribs are so named because their anterior ends don't attach to this bone the sternum (or breastbone)
#7129, aired 2015-09-17BIOLOGY $1600: It's the 10-letter term for the principle that living organisms are produced only by other living organisms biogenesis
#7129, aired 2015-09-17BIOLOGY $2000: (Kelly of the Clue Crew shows a cell diagram on the monitor.) Inside an animal cell, besides the nucleus, there are different organelles, including these powerhouses of the cell that convert food to usable energy mitochondria
#6992, aired 2015-01-27FOR RICHARD $2000: In a TED Talk, this Oxford professor of evolutionary biology urged the practice of "militant atheism" (Richard) Dawkins
#6978, aired 2015-01-07BIOLOGY $400: The name of this 1-celled shape-shifting organism is from the Greek for "change" an amoeba
#6978, aired 2015-01-07BIOLOGY $800: A halophyte is defined as a plant that thrives in soil with high levels of this salt
#6978, aired 2015-01-07BIOLOGY $1200: A bird's crop is an expanded area of this muscular tube that serves as a temporary storage area for food the esophagus
#6978, aired 2015-01-07BIOLOGY $1600: In 1935 botanist Arthur Tansley coined this word for an environment as it functions with its organisms ecosystem
#6978, aired 2015-01-07BIOLOGY $2,000 (Daily Double): Though jellyfish are spineless, they form a hydrostatic one of these structures when they take in water a skeleton
#6957, aired 2014-12-09CATCH OUR TYPE "O"s $400: In biology, to produce eggs ovulate
#6948, aired 2014-11-26-OLOGIES $1600: It's the 2-word science dealing with all forms of life found in the oceans marine biology
#6841, aired 2014-05-19MARINE BIOLOGY $200: (Sarah of the Clue Crew presents the clue from Baja California.) Baja's sea lions can dive deep because they have the ability to store substantial amounts of this gas in their blood & muscle oxygen
#6841, aired 2014-05-19MARINE BIOLOGY $400: These polyps come in several varieties including thorny, gorgonian & mushroom coral
#6841, aired 2014-05-19MARINE BIOLOGY $600: The name of this tusked whale comes from the Old Norse for "corpse whale", referring to its whitish color a narwhal
#6841, aired 2014-05-19MARINE BIOLOGY $1000: Each fall silver eels migrate to this "sea" within the North Atlantic to breed, some traveling across land the Sargasso Sea
#6841, aired 2014-05-19MARINE BIOLOGY $1,200 (Daily Double): This small fish of the genus hippocampus has no stomach & must eat almost constantly to stay alive a seahorse
#6773, aired 2014-02-12BIOLOGY CLASS $200: At about 9 weeks of age, a human embryo becomes one of these a fetus
#6773, aired 2014-02-12BIOLOGY CLASS $400: By definition, a polypeptide is a chain of these linked together by peptide bonds amino acids
#6773, aired 2014-02-12BIOLOGY CLASS $600: It's the branch of biology that deals with glands such as the pituitary & thyroid endocrinology
#6773, aired 2014-02-12BIOLOGY CLASS $800: While red bone marrow gets its color from developing red blood cells, yellow marrow gets its color from this fat
#6773, aired 2014-02-12BIOLOGY CLASS $1000: In 1937 this German-born biochemist discovered the citric acid cycle that bears his name (Hans) Krebs
#6772, aired 2014-02-1119th CENTURY BOOKS & AUTHORS $800: In 1893 this British man published his "initial" book, a "text-book of biology"; many sci-fi novels followed H.G. Wells
#6706, aired 2013-11-11ANAGRAMMED SCHOOL SUBJECTS $200: All about life: OILY BOG biology
#6627, aired 2013-06-11BIOLOGY $400: Protanopia is a type of this in which a person can't distinguish red from green color blindness
#6627, aired 2013-06-11BIOLOGY $800: Like nails, horns & hair, feathers contain this fibrous structural protein keratin
#6627, aired 2013-06-11BIOLOGY $1,000 (Daily Double): Appropriately, the name of this bone is from the Latin for "to chew" the mandible
#6627, aired 2013-06-11BIOLOGY $1600: Ferns reproduce asexually by means of these cells spores
#6627, aired 2013-06-11BIOLOGY $2000: In vertebrates, this lowest portion of the brain regulates heart rate & respiration the medulla
#6607, aired 2013-05-14BIOLOGY 101 $400: Cytokinesis is the money part of this asexual process by which amoebas reproduce fission
#6607, aired 2013-05-14BIOLOGY 101 $800: Also called thrombocytes, these disklike cell fragments are important in the clotting process platelets
#6607, aired 2013-05-14BIOLOGY 101 $1200: Whether dominant or recessive, different forms of the same gene are called these alleles
#6607, aired 2013-05-14BIOLOGY 101 $2000: Red tide is caused by a proliferation of these 15-letter aquatic organisms dinoflagellates
#6607, aired 2013-05-14BIOLOGY 101 $3,000 (Daily Double): (Jimmy of the Clue Crew shows us an image of several cells with many green items inside them.) The green pigment necessary for photosynthesis is contained in these bodies within a plant's cells chloroplasts
#6578, aired 2013-04-03"TAX" TIME $2000: The ranks going from domain & kingdom down to genus & species are part of this aspect of biology taxonomy
#6566, aired 2013-03-18COMPOUND WORDS $1000: In biology, Medusa refers to a stage in the life cycle of one of these invertebrates a jellyfish
#6560, aired 2013-03-08BIOLOGY $400: It should take just a wink to tell us a nictitating membrane is a third one of these found in birds an eyelid
#6560, aired 2013-03-08BIOLOGY $800: In adult females, this primary male hormone contributes to the formation of estrogen in the ovaries testosterone
#6560, aired 2013-03-08BIOLOGY $1600: "Dorsal" means relating to the back, while this means relating to the underside ventral or abdominal
#6560, aired 2013-03-08BIOLOGY $2,000 (Daily Double): In the human body the process of osmoregulatrion is primarilly carried out by these organs the kidneys
#6560, aired 2013-03-08BIOLOGY $2000: These microscopic hairlike projections on protozoans are used for movement cilia
#6539, aired 2013-02-07BIOLOGY $400: In lactation, milk is produced; in lacrimation, these are produced tears
#6539, aired 2013-02-07BIOLOGY $1200: (Sarah of the Clue Crew takes a sponge out of a microwave oven.) Your microwave can be a weapon in the fight against germs; zapping a wet sponge in the microwave for 2 minutes should remove 99% of these organisms, like E. coli bacteria
#6539, aired 2013-02-07BIOLOGY $1600: For a giraffe, this, the period of pregnancy, is about 15 months gestation
#6539, aired 2013-02-07BIOLOGY $2000: Most of the water absorbed by a plant is given off by the leaves via this 13-letter process transpiration
#6539, aired 2013-02-07BIOLOGY $5,000 (Daily Double): Normally, when the glucose level in the blood is high, the pancreas secretes this hormone to lower it insulin
#6373, aired 2012-05-09BIOLOGY $400: Yours is endo-; a crab's is exo-; a jellyfish's is hydrostatic, made of fluid a skeleton
#6373, aired 2012-05-09BIOLOGY $800: (Jimmy of the Clue Crew presents the clue.) In genetics Yy stands for two genes; the capitalized Y is dominant & the lowercase one is this recessive
#6373, aired 2012-05-09BIOLOGY $1200: In 2011 virologist Ron Fouchier made bird flu more contagious by introducing these genetic changes--bad idea, some say mutations
#6373, aired 2012-05-09BIOLOGY $2,000 (Daily Double): Canavanine, produced by some plants, is a special one of these acids; it messes up proteins in insects' bodies an amino acid
#6373, aired 2012-05-09BIOLOGY $2000: Eukaryotes are cells that have defined nuclei; change the prefix & you get these organisms that don't, like bacteria prokaryotes
#6360, aired 2012-04-20MARINE BIOLOGY $200: "The Night Of" this 10-armed creature wasn't a horror film but a Jacques Cousteau TV special the squid
#6360, aired 2012-04-20MARINE BIOLOGY $400: These marine mammals of the weasel family use rocks to open such hard-shelled prey as clams & crabs otters
#6360, aired 2012-04-20MARINE BIOLOGY $600: (Jimmy of the Clue Crew shows drawings of whale skulls on the screen.) Long ago, whale blowholes were here, but evolution streamlined cetacean breathing, moving the nostril up top, where it's still connected to this respiratory tube, & then to the lungs the trachea
#6360, aired 2012-04-20MARINE BIOLOGY $800: A spicule is a needlelike piece supporting the soft tissue of these absorbent invertebrates of phylum Porifera a sponge
#6360, aired 2012-04-20MARINE BIOLOGY $1000: This largest ray is a graceful swimmer even though it may weigh up to 3,000 pounds a manta
#6314, aired 2012-02-16GETTING AN EDUCATION $2000: Cell biology: The main function of these organelles is to produce energy in the form of ATP mitochondria
#6164, aired 2011-06-02MARINE BIOLOGY $400: Fish that are anadromous migrate from the sea to freshwater rivers to do this spawn
#6164, aired 2011-06-02MARINE BIOLOGY $800: The spiny lobster is also named for this object; the redback salamander lives under one a rock
#6164, aired 2011-06-02MARINE BIOLOGY $1200: (Lindblad National Geographic underwater specialist Lisa trotter delivers the clue from Antarctica.) This shrimp-like crustacean is a major link in the Antarctic food chain; from January to April swarms of them may reach concentrations of 35 lbs. per cubic yard krill
#6164, aired 2011-06-02MARINE BIOLOGY $2000: (Sarah of the Clue Crew delivers the clue from Antarctica.) Researchers recognize individual whales & follow their migration based on the pattern on the underside of this, each half of the whale's tail the fluke
#6164, aired 2011-06-02MARINE BIOLOGY $3,000 (Daily Double): Off the coast of California, this brown seaweed can grow almost a foot a day kelp
#6126, aired 2011-04-11EASY MOLECULAR BIOLOGY $200: The presence of this letter chromosome determines that a zygote will develop into a male Y
#6126, aired 2011-04-11EASY MOLECULAR BIOLOGY $400: Early studies focused on finding the structure not of carbs & fat but of this compound, collagen being one example protein
#6126, aired 2011-04-11EASY MOLECULAR BIOLOGY $600: These one-celled organisms that may cause disease also produce the "snipping" enzymes that create recombinant DNA bacteria
#6126, aired 2011-04-11EASY MOLECULAR BIOLOGY $1000: Linus Pauling used X-ray crystallography to study the patterns of keratin in this body part hair
#6126, aired 2011-04-11EASY MOLECULAR BIOLOGY $2,200 (Daily Double): This process is benign when it replicates DNA segments, but makes people nervous when it replicates mammals cloning
#6093, aired 2011-02-23BIOLOGY GLOSSARY $400: We suppose you know that adipose is a layer of this that insulates the body from heat loss fat
#6093, aired 2011-02-23BIOLOGY GLOSSARY $800: (Sarah of the Clue Crew shows us some photos in the science lab.) After a butterfly goes through four life stages, from egg to larva to pupa, & finally, to adult, it's said to have undergone complete this, Greek for "transformation" metamorphosis
#6093, aired 2011-02-23BIOLOGY GLOSSARY $1,500 (Daily Double): By definition, phototaxis is the movement of an organism in response to this light
#6093, aired 2011-02-23BIOLOGY GLOSSARY $1600: It's the proper term for a human embryo after the first trimester a fetus
#6093, aired 2011-02-23BIOLOGY GLOSSARY $2000: In 1901 botanist Hugo de Vries coined this term to describe sudden genetic change mutation
#5984, aired 2010-09-23MNEMONICS $1200: Biology has "Kind Pigs Care Only For Good Slop", standing for kingdom, phylum, class, then this order
#5788, aired 2009-11-11-OLOGIES $800: Traditionally, biology is divided into 2 major fields: botany & this study of animals zoology
#5776, aired 2009-10-26BIOLOGY $400: Whether natural or acquired, it's the body's ability to resist certain diseases an immune system
#5776, aired 2009-10-26BIOLOGY $800: A frog's heart has this many chambers, one fewer than a human's three
#5776, aired 2009-10-26BIOLOGY $1600: White blood cells are also known by this medical name, from the Greek for "white" leukocytes
#5776, aired 2009-10-26BIOLOGY $2,000 (Daily Double): It's no disgrace, it's just the sticky part of the pistil that receives the pollen during pollenation the stigma
#5776, aired 2009-10-26BIOLOGY $2000: This process that occurs in specialized sex cells is also known as reduction division meiosis
#5772, aired 2009-10-20FAMOUS TRIALS $400: (Jack Ford delivers the clue.) A high school football coach as well as biology teacher, he volunteered to be the defendant in what became a world-famous test case on evolution (John) Scopes
#5588, aired 2008-12-17MARINE BIOLOGY $400: The largest species of this fish is the bluefin, which may reach a length of 14 feet & weigh 1,600 pounds tuna
#5588, aired 2008-12-17MARINE BIOLOGY $800: Rays & skates have skeletons made of this material, not bone cartilage
#5588, aired 2008-12-17MARINE BIOLOGY $1600: Barnacles were once classified as mollusks but now are included in this class along with crayfish crustacean
#5588, aired 2008-12-17MARINE BIOLOGY $2000: Named for a feline, it's the only seal that feeds extensively on warm-blooded prey such as penguins the leopard seal
#5588, aired 2008-12-17MARINE BIOLOGY $2,600 (Daily Double): Although some species of this in the class Asteroidia have more than 20 arms, 5 is the usual number a starfish
#5572, aired 2008-11-25BIOLOGY $400: In reptiles these choppers are conical & uniform; in mammals they have various shapes & sizes teeth
#5572, aired 2008-11-25BIOLOGY $800: 3 billion base pairs of DNA, incorporating the code to make a person, is called the human this genome
#5572, aired 2008-11-25BIOLOGY $1,000 (Daily Double): Not just something in a car, it's a type of neuron that sends signals to an effector, like a muscle a motor
#5572, aired 2008-11-25BIOLOGY $1200: Arginine, one of these acids, is made in the body but not enough for growth--so it's an "essential" one only in kids an amino acid
#5572, aired 2008-11-25BIOLOGY $2000: Part of biology, this -ology studies hosted organisms like tapeworms parasitology
#5527, aired 2008-09-23BRITISH AUTHORS $800: As a youth, this "War of the Worlds" author studied biology under the great scientist Thomas H. Huxley H.G. Wells
#5482, aired 2008-06-10BIOLOGY $400: It's been proposed that sulfate aerosols from these geological phenomena killed off the dinosaurs volcanoes
#5482, aired 2008-06-10BIOLOGY $800: Measles, mumps & rabies are not transmitted by bacteria, but by these viruses
#5482, aired 2008-06-10BIOLOGY $1200: Call a cop! You're born with 300 of these, but by the time you grow up you only have 206 bones
#5482, aired 2008-06-10BIOLOGY $2000: A fungus gets mighty cozy when it teams up with one of these organisms to live symbiotically as a lichen an algae
#5482, aired 2008-06-10BIOLOGY $3,000 (Daily Double): Night blindness may come from a deficiency of this vitamin also called retinol Vitamin A
#5399, aired 2008-02-14BIOLOGY $400: Humans belong to the class Mammalia, to the order Primates & to this genus & species Homo sapiens
#5399, aired 2008-02-14BIOLOGY $800: They're the reproductive organs in which eggs develop in women ovaries
#5399, aired 2008-02-14BIOLOGY $1200: While it's "small" in diameter, about 1 1/2 inches, it's 20 to 25 feet long in your body the small intestine
#5399, aired 2008-02-14BIOLOGY $1600: From the Greek for "change", it's the chemical processes in a body necessary to maintain life; some have slower ones metabolism
#5399, aired 2008-02-14BIOLOGY $2000: The "m" in "mRNA" stands for this messenger
#5353, aired 2007-12-12BIOLOGY $400: In humans, this sex chromosome is present only in males the Y chromosome
#5353, aired 2007-12-12BIOLOGY $800: Gustatory receptors are special cells that give you your sense of this taste
#5353, aired 2007-12-12BIOLOGY $1200: In plants, they're reproductive structures; in humans, light-sensitive structures along with the rods cones
#5353, aired 2007-12-12BIOLOGY $1600: The hypothalamus at the base of the brain controls the release of hormones by this "master gland" the pituitary gland
#5353, aired 2007-12-12BIOLOGY $2000: One of the subdivisions of biology is this science dealing with the naming & classification of organisms taxonomy
#5340, aired 2007-11-23BIOLOGY $200: Neurospora crassa is this type of fungus; it grows on bread but in the wild is found on burned vegetation mold
#5340, aired 2007-11-23BIOLOGY $400: Stomata, leaf pores that take in this gas, enlarge when its level in the air drops below normal carbon dioxide
#5340, aired 2007-11-23BIOLOGY $600: About 25 species of this arachnid, most in the family buthidae, have venom that'll kill you; 1200 others sting like a bee scorpions
#5340, aired 2007-11-23BIOLOGY $800: Linus Pauling found the structure of keratin, the main component of nails & this human body part hair
#5340, aired 2007-11-23BIOLOGY $1,200 (Daily Double): To help make sure your brain stays fueled, its cells need less of this hormone for glucose uptake insulin
#5274, aired 2007-07-12THE NEW YORK TIMES MAGAZINE $200: Robin Marantz Henig's recent masterful essay on evolutionary biology was titled this 19th century scientist's "God" Charles Darwin
#5239, aired 2007-05-24MARINE BIOLOGY $400: In these organs in most fish, water flows the opposite direction to the blood, increasing oxygen transfer gills
#5239, aired 2007-05-24MARINE BIOLOGY $800: Sea creatures that live in the benthos, this part of the ocean, include clams & halibut bottom
#5239, aired 2007-05-24MARINE BIOLOGY $1200: In 1943 this undersea explorer produced his first film, "Par Dix-huit Metres du Fond", or "18 Meters Down" Jacques Cousteau
#5239, aired 2007-05-24MARINE BIOLOGY $1600: Like jellyfish, sea anemones have stinging cells in these organs to paralyze small animals tentacles
#5239, aired 2007-05-24MARINE BIOLOGY $2000: This small five-letter animal seen here is the main food source of the Antarctic blue whale krill
#5237, aired 2007-05-22SIGNS & SYMBOLS $1200: (Cheryl of the Clue Crew gives the clue.) A symbol that is familiar from its use in biology is also used in astronomy to represent this planet Venus
#5226, aired 2007-05-07CUTTING-EDGE SCIENCE $1600: Invasion biology studies species like the brown tree this reptile, which wiped out 9 of Guam's 11 native bird species snakes
#5220, aired 2007-04-27IT'S A SCIENTIFIC FACT $200: Traditionally, biology has been divided into 2 fields: botany, the study of plants, & this, the study of animals zoology
#5209, aired 2007-04-12WHAT THE "L" IS IT? $1600: (Cheryl of the Clue Crew reports from the state-of-the-art Jeopardy! marine biology laboratory.) This clinging marine gastropod is also the last name of Don Knotts's character in a 1964 marine movie a limpet
#5199, aired 2007-03-29FAMOUS PAIRS $2000: In biology: ____ & Crick Watson
#5167, aired 2007-02-13BIOLOGY $400: Some of these smallest blood vessels are so tiny that only one blood cell can pass through at a time capillaries
#5167, aired 2007-02-13BIOLOGY $800: It's the rudimentary plant contained within a seed, or a developing human before it's a fetus embryo
#5167, aired 2007-02-13BIOLOGY $1200: (Jimmy of the Clue Crew stands next to a chart of the human body.) Important to the human body is the excretory system, which allows the body to get rid of waste largely through this pair of organs kidneys
#5167, aired 2007-02-13BIOLOGY $1600: To build tissue, the body needs 20 different ones of these "protein building blocks", both "essential" & "nonessential" amino acids
#5167, aired 2007-02-13BIOLOGY $2000: Diptera, the order of insects that includes flies & mosquitoes, literally means this two-winged
#5161, aired 2007-02-05YOU GET AN "A" $800: ...in Biology, if you recall that millipedes belong to this phylum of animals arthropods
#5154, aired 2007-01-25"C" IN BIOLOGY $200: It's the part of the skull that encloses the brain cranium
#5154, aired 2007-01-25"C" IN BIOLOGY $400: This photosynthetic pigment absorbs red & blue-violet light & reflects green light chlorophyll
#5154, aired 2007-01-25"C" IN BIOLOGY $600: (Sarah of the Clue Crew holds up a honeycomb.) Honey, pollen & fertilized eggs are some of the things that may be stored in a honeycomb's compartments, which are called these cells
#5154, aired 2007-01-25"C" IN BIOLOGY $800: In anatomy, it's the outermost layer of an organ, like the renal one cortex
#5154, aired 2007-01-25"C" IN BIOLOGY $1000: This coiled part of the inner ear that's concerned with hearing contains the organ of Corti cochlea
#5143, aired 2007-01-10MARINE BIOLOGY $200: In 1977 this submersible, which shares its name with a chipmunk, found organisms near Hot Springs over a mile deep Alvin
#5143, aired 2007-01-10MARINE BIOLOGY $400: The name of these tiny organisms at the bottom of the oceanic food chain comes from the Greek for "wandering" plankton
#5143, aired 2007-01-10MARINE BIOLOGY $600: The brown seaweed that gives the North Atlantic "sea" its name floats via small berrylike bladders Sargasso
#5143, aired 2007-01-10MARINE BIOLOGY $800: The small fish of the genus Hippocampus can change its color & has 2 eyes that move independently a sea horse
#5143, aired 2007-01-10MARINE BIOLOGY $1000: This Massachusetts village is home to the Marine Biological Laboratory & an oceanographic institution founded in 1930 Woods Hole
#5100, aired 2006-11-10MOLECULAR BIOLOGY $400: In the early 1900s, William Bragg used this type of ray to try to photograph the structure of molecules an X-ray
#5100, aired 2006-11-10MOLECULAR BIOLOGY $800: An electron type of this optical scientific instrument is used to magnify molecules for study a microscope
#5100, aired 2006-11-10MOLECULAR BIOLOGY $1200: Gregor Mendel famously found a mathematical basis for inheritance by studying this legume, without the princess the pea
#5100, aired 2006-11-10MOLECULAR BIOLOGY $3,600 (Daily Double): Chromosomes carry these basic units of heredity, not discovered by Levi Strauss genes
#5073, aired 2006-10-04-OLOGIES $1200: Cellular & developmental are major branches of this life science biology
#5058, aired 2006-09-13"BIO" SCIENCE $800: 2 men at the U. of Washington's Department of this won the 1992 Nobel Prize for studying cell protein regulation biochemistry
#4953, aired 2006-03-082005 IG NOBEL PRIZES $200: The Biology Ig Nobel was won by a team studying the odoriferous secretions of 131 of these toad cousins frogs
#4953, aired 2006-03-082005 IG NOBEL PRIZES $400: 2 men won in Fluid Dynamics for "Pressures Produced When" these birds "Pooh", published in Polar Biology penguins
#4938, aired 2006-02-15I'M DOWN WITH HOMEWORK $2000: Biology: Types of protozoans include ciliates, sarcodines & this one named for its freaky whip tail a flagellate
#4937, aired 2006-02-14BIOLOGY $400: The water mammals called cetaceans are divided into dolphins, porpoises & these whales
#4937, aired 2006-02-14BIOLOGY $800: (Sarah of the Clue Crew shows a microscopic photo on the monitor.) This genus comes before proteus, a shape changing Greek god, in the scientific name of the creature we're looking at an Amoeba
#4937, aired 2006-02-14BIOLOGY $1200: Linnaeus posited just 2 of these living realms, Plantae & Animalia; more are recognized now a kingdom
#4937, aired 2006-02-14BIOLOGY $1600: Microorganisms called euglena have a flexible pellicle, or membrane, in place of a rigid one of these a cell wall
#4937, aired 2006-02-14BIOLOGY $2000: Part of the immune system, these, named for their origin in the thymus, feature special receptor molecules T-cells
#4918, aired 2006-01-18BIOLOGY $400: The visceral pleura is a thin, tough membrane that covers this pair of organs the lungs
#4918, aired 2006-01-18BIOLOGY $800: In humans, food passes from the pharynx to the stomach via this muscular membranous tube the esophagus
#4918, aired 2006-01-18BIOLOGY $1200: Cell division begins in this part of the cell, either by mitosis or by meiosis the nucleus
#4918, aired 2006-01-18BIOLOGY $1600: (Jon of the Clue Crew delivers the clue from the Primate Center at Duke University.) Researchers here at Duke believe that when one lemur of this species meets another, it looks first at the distinctive feature it's named for the ring-tail
#4918, aired 2006-01-18BIOLOGY $2000: An amoeba is a 1-celled shapeless mass of this, a term defined in 1839 as the basic material of life protoplasm
#4912, aired 2006-01-10SOVIET MAN $1600: T.D. Lysenko, who thought acquired traits can be inherited, ran the USSR's Institute of this, the biology of heredity genetics
#4899, aired 2005-12-22NATURAL BIOLOGY $200: Arterioles are a link between arteries & these fine blood vessels capillaries
#4899, aired 2005-12-22NATURAL BIOLOGY $400: It's often a warning when this tuft or plume on a cockatoo's head stands up the crest
#4899, aired 2005-12-22NATURAL BIOLOGY $600: From the Latin for "to carry", it's the time period between conception & birth gestation
#4899, aired 2005-12-22NATURAL BIOLOGY $800: The chela on arthropods are these, & it may make them crabby if you mess with them claws (or pincers)
#4899, aired 2005-12-22NATURAL BIOLOGY $1000: This material, such as your stapes, is formed by ossification bones
#4897, aired 2005-12-20BOOK TITLES $2000: A tale by Madeleine L'Engle about a marine biology student: "The Arm of" this sea creature the Starfish
#4890, aired 2005-12-09SEEING "RED" $600: This character from "Through the Looking Glass" lends her name to a new theory of evolutionary biology the Red Queen
#4883, aired 2005-11-30-OLOGY WHIZ $800: Amgen & Novozymes are usually called this type of company biotech(nology)
#4871, aired 2005-11-14COLLEGE COURSES $1000: Biology majors at Humboldt might take mammalogy, herpetology or this, the study of fish ichthyology
#4832, aired 2005-09-20MAN IN SPACE $400: (Leroy Chiao, aboard the International Space Station, reads the clue.) On January 14, 2004 President Bush said the I.S.S. would focus on human biology in space, to prepare for a first visit to this planet Mars
#4793, aired 2005-06-08"BI"OLOGY $6,000 (Daily Double): 5-letter word for a large area with particular conditions, like tundra or desert a biome
#4740, aired 2005-03-25MARINE BIOLOGY $200: Shagreen, the dried skin of this meat eater, was once used as sandpaper the shark
#4740, aired 2005-03-25MARINE BIOLOGY $400: Unlike most sea animals, in the sea horse this pair of sense organs can move independently of one another eyes
#4740, aired 2005-03-25MARINE BIOLOGY $600: In 1957 this undersea explorer became director of Monaco's Oceanographic Museum (Jacques-Yves) Cousteau
#4740, aired 2005-03-25MARINE BIOLOGY $800: The largest crustacean is a Japanese species of this; it can measure 12 feet between its claws a crab
#4740, aired 2005-03-25MARINE BIOLOGY $1000: (Jeff Probst, host of Survivor, delivers the clue from Palau.) This nearly extinct sea cow is found in the coastal waters of Palau, & even here, it is threatened by poaching a dugong
#4731, aired 2005-03-14BIOLOGY $400: Ascomycetes, the largest class in this kingdom, includes edible types like truffles Fungi
#4731, aired 2005-03-14BIOLOGY $800: C4 plants, which photosynthesize molecules having 1 more of these atoms than C3 plants, do better if it's hot & dry carbon
#4731, aired 2005-03-14BIOLOGY $1200: Familial name for the 2 new cells resulting from cell division daughter cells
#4731, aired 2005-03-14BIOLOGY $1600: Term for determining the order of nucleotides in a DNA molecule sequencing
#4731, aired 2005-03-14BIOLOGY $3,500 (Daily Double): Excess or deficiency of this pituitary hormone leads to gigantism or dwarfism HGH (human growth hormone)
#4662, aired 2004-12-07BIOLOGY $200: Juices naturally occuring in this organ include hydrochloric acid & pepsin, but no orange the stomach
#4662, aired 2004-12-07BIOLOGY $400: "Skin" term for the layer of cells on the upper & lower surfaces of a leaf; it may be one cell thick the epidermis
#4662, aired 2004-12-07BIOLOGY $600: It's the stage in a cocooned butterfly's metamorphosis between caterpillar & adult chrysalis (or pupa)
#4662, aired 2004-12-07BIOLOGY $800: This reaction occurs in the chloroplasts, the oval-shaped green organelles in plants photosynthesis
#4662, aired 2004-12-07BIOLOGY $1000: Aye-aye, it's a lack of ascorbic acid that can cause this disease scurvy
#4649, aired 2004-11-18YOU GET AN "F" $800: ...in biology if you actually pick up the poison dart species of this amphibian frog
#4643, aired 2004-11-10DA OLOGY SHOW $400: "Human Variation" is a course in this department at NYU anthropology
#4522, aired 2004-04-13BIOLOGY $200: 3 calves created this way made headlines back in 1988 cloning
#4522, aired 2004-04-13BIOLOGY $400: The top 3 inches of an acre of soil may contain billions of nematodes, this type of creature worm
#4522, aired 2004-04-13BIOLOGY $600: Classed as a subphylum of the chordates, they make up about 3 percent of animal species, including mammals vertebrates
#4522, aired 2004-04-13BIOLOGY $800: A few hundred million years ago some plants had the bright idea to protect & spread their embryos in these seeds
#4522, aired 2004-04-13BIOLOGY $1000: In cell division, mitosis splits the nucleus & cytokinesis splits this liquid cushioning the nucleus cytoplasm
#4503, aired 2004-03-17-OLOGIES $1000: One of the fields in which a Nobel Prize is given is medicine or this physiology
#4483, aired 2004-02-18BIOLOGY $400: In the 1940s a moldy cantaloupe in Peoria was found to yield a better strain of this drug than Dr. Fleming's penicillin
#4483, aired 2004-02-18BIOLOGY $800: In birds, the crop, a baglike swelling of this tube, is used to store food until there is room in the stomach the esophagus
#4483, aired 2004-02-18BIOLOGY $1200: By definition, edentulous animals don't have these teeth
#4483, aired 2004-02-18BIOLOGY $1600: The paramecium, a microscopic organism found in freshwater bodies, swims via these hairlike structures ciliate
#4483, aired 2004-02-18BIOLOGY $2000: This type of cell division takes place in 4 steps: prophase, metaphase, anaphase & telophase mitosis
#4438, aired 2003-12-17BIOLOGY $400: In cattle, the rumen is the first of 4 compartments of this organ the stomach
#4438, aired 2003-12-17BIOLOGY $800: Often found on decaying logs, the puffball is part of this kingdom of organisms that lack chlorophyll fungi
#4438, aired 2003-12-17BIOLOGY $1200: From the Greek for "change", this one-celled animal consists of protoplasm surrounded by a membrane an amoeba
#4438, aired 2003-12-17BIOLOGY $1600: This term refers to the association of 2 or more organisms living together for the possible benefit of all symbiosis
#4438, aired 2003-12-17BIOLOGY $2000: Leucine, Isoleucine & Valine are the 3 BCAAs, or branched-chain these amino acids
#4422, aired 2003-11-25CALTECH $1200: Norman Church endowed the Chemical Biology lab after a Caltech Prof cleared him of doping this animal a racehorse
#4418, aired 2003-11-19BIOLOGY $400: This oxygen-carrying substance gives red blood cells their color hemoglobin
#4418, aired 2003-11-19BIOLOGY $1200: Protozoans, slime molds & eukaryotic algae are members of this kingdom Protista
#4418, aired 2003-11-19BIOLOGY $1600: Butterflies take in oxygen through these, breathing holes located on the sides of the abdomen spiracles
#4418, aired 2003-11-19BIOLOGY $2,000 (Daily Double): It's what the "M" stands for in mRNA, a single-stranded type of RNA messenger
#4418, aired 2003-11-19BIOLOGY $2000: (Cheryl of the Clue Crew presents in front of a blackboard.) A 2-carbon compound & protein are converted to CO2 & water in this cycle that turns food into energy the Krebs cycle
#4364, aired 2003-07-17-OLOGIES $200: A high school requirement for many, it's the scientific study of life biology
#4279, aired 2003-03-20BIOLOGY $400: Every minute your bone marrow makes millions of the red type of these blood cells
#4279, aired 2003-03-20BIOLOGY $800: Dollo's law, part of the "theory of" this process, says a species that loses a characteristic never regains it evolution
#4279, aired 2003-03-20BIOLOGY $1200: These lizardlike amphibians that make up the order Caudata are power regenerators. quickly growing back lost parts salamanders
#4279, aired 2003-03-20BIOLOGY $1600: The Latin word for "sprout" gives us this word meaning "to begin to sprout or grow" germinate
#4279, aired 2003-03-20BIOLOGY $3,000 (Daily Double): Fungi are divided into saprophytes, nourished by non-living matter, & these, nourished by living organisms parasites
#4263, aired 2003-02-26-OLOGIES $800: Branch of biology defined as the study of organisms too small to be seen with the naked eye microbiology
#4253, aired 2003-02-12FILE UNDER "Z" $600: It's the branch of biology that studies various animals zoology
#4242, aired 2003-01-28AUTHORS $2000: He led a marine biology expedition to Baja California & later wrote about it in "The Sea of Cortez" John Steinbeck
#4193, aired 2002-11-20BIOLOGY TEST $200: The viceroy butterfly looking like the monarch is: (A) mimicry (B) puppetry (C) chicory (D) rabbitry mimicry
#4193, aired 2002-11-20BIOLOGY TEST $400: The only hormone that can lower blood sugar is: (A) epinephrine (B) glucagon (C) thyroxine (D) insulin insulin
#4193, aired 2002-11-20BIOLOGY TEST $600: A Venus's Flytrap is considered: (A) aluminous (B) bigamous (C) carnivorous (D) decamerous carnivorous
#4193, aired 2002-11-20BIOLOGY TEST $800: Gills are not a feature on: (A) manatees (B) sharks (C) mushrooms (D) sand dollars manatees
#4193, aired 2002-11-20BIOLOGY TEST $1000: Experiencing piloerection you have: (A) hemorrhoids (B) razor stubble (C) goose bumps (D) bed hair goose bumps
#4103, aired 2002-06-05MNEMONICS $4,000 (Daily Double): In biology's "King Philip came over from Germany Saturday", K & P are kingdom & phylum; G & S are these genus & species
#4015, aired 2002-02-01THAT'S A PAULING $200: Linus Pauling received this in 1962; he was short a requirement when he was supposed to get it back in 1917 at 16 high school diploma
#3983, aired 2001-12-19BIOLOGY $800: Lacking a hard shell, copepods are less crunchy than other members of this group, like crabs crustaceans
#3983, aired 2001-12-19BIOLOGY $1000: Huntington's Disease is autosomal dominant, so one gene can cause it; CF is autosomal this, needing 2 recessive
#3944, aired 2001-10-25BIOLOGY $200: Round, wrinkled, green seed or yellow seed are differences in the 7 traits of these plants Mendel studied peas
#3944, aired 2001-10-25BIOLOGY $400: A father contributes an X chromosome to create a daughter & this chromosome to create a son a Y chromosome
#3944, aired 2001-10-25BIOLOGY $600: (Jimmy of the Clue Crew cracks the case.) It's the total number of cells in this yellow egg yolk 1
#3944, aired 2001-10-25BIOLOGY $800: Oxygen is a waste product of this metabolic process in green plants photosynthesis
#3944, aired 2001-10-25BIOLOGY $1000: Chitin is the main component in this supportive outside covering of lobsters & insects the exoskeleton
#3849, aired 2001-05-03THAT STINKS! $200: When dissecting something in biology, that bad odor may be this preservative derived from methyl alcohol formaldehyde
#3826, aired 2001-04-02HOT JOBS $1000: This job of collecting & analyzing numerical data applies to baseball as well as biology Statistician
#3792, aired 2001-02-13NOTABLE NAMES $600: Leader of this country from 1926 to 1989, this man seen here also had a lifelong interest in marine biology Emperor Hirohito
#3704, aired 2000-10-12THE COMMUNIST MANIFESTO $400: One of the authors figured they'd do for history what this man did for biology Charles Darwin
#3690, aired 2000-09-22"PH"OOEY! $500: The internal workings of living things are studied in this branch of biology Physiology
#3688, aired 2000-09-20CELEBRITIES $400: This female TV "Friend" has a B.S. in biology from Vassar College -- who knew? Lisa Kudrow
#3661, aired 2000-07-03BIOLOGY $100: They're a plant's anchor & can have a fibrous or tap system roots
#3661, aired 2000-07-03BIOLOGY $200: Around 1940 scientists found that mutations in these chromosomal units result in defective enzymes genes
#3661, aired 2000-07-03BIOLOGY $300: 3 kinds of these are sensory, motor & mixed nerves
#3661, aired 2000-07-03BIOLOGY $400: This calcified tissue that surrounds the pulp cavity of a tooth is a bone-like substance dentin
#3661, aired 2000-07-03BIOLOGY $500: This "ology" is concerned with the development of the fertilized egg & the growth of the fetus embryology
#3580, aired 2000-03-10SCIENCE $100: In biology it's a finger; in math, a figure like 1 a digit
#3577, aired 2000-03-07BIOLOGY $100: In a bird's egg, it's contained within the vitelline membrane Yolk
#3577, aired 2000-03-07BIOLOGY $200: From the Greek for "green leaf", it's the green pigment in plants Chlorophyll
#3577, aired 2000-03-07BIOLOGY $400: It's defined as a change in the hereditary material of an organism's cells Mutation
#3577, aired 2000-03-07BIOLOGY $500: The Drosophilidae family of this insect is used extensively in genetics because of its short, 10-day life cycle Fruit fly
#3577, aired 2000-03-07BIOLOGY $800 (Daily Double): This French chemist presented his germ theory of fermentation in an 1857 paper, "On Lactic Fermentation" Louis Pasteur
#3494, aired 1999-11-11THAT'S ENTERTAINMENT! $800: Dexter Holland, the lead singer of this group, is a dissertation away from a Ph.D. in molecular biology The Offspring
#3490, aired 1999-11-05BIOLOGY $200: The Mesozoic era is known as the Age of these, such as snakes & iguanas today Reptiles
#3490, aired 1999-11-05BIOLOGY $400: In 1942 scientists got a much higher yield of this antibiotic from a moldy cantaloupe than with previous ways Penicillin
#3490, aired 1999-11-05BIOLOGY $700 (Daily Double): The life of these in your body ranges from 3 days in your intestine to a lifetime in your brain Cells
#3490, aired 1999-11-05BIOLOGY $800: Your baroreceptors are sensory devices that keep this steady Blood pressure
#3490, aired 1999-11-05BIOLOGY $1000: The highest level of activity in this organ of your body is in the Fovea Centralis Eye
#3437, aired 1999-07-13"W"RITERS $200: He wrote a "Textbook of Biology" 2 years before "The Time Machine" H.G. Wells
#3428, aired 1999-06-30MARINE BIOLOGY $100: A species of this 10-armed animal is the largest invertebrate, reaching a length of over 50 feet squid
#3428, aired 1999-06-30MARINE BIOLOGY $200: The name of these microscopic plants & animals that float near the ocean's surface is from the Greek for "wandering" plankton
#3428, aired 1999-06-30MARINE BIOLOGY $300: This French explorer devised special underwater cameras to document his adventures Jacques Cousteau
#3428, aired 1999-06-30MARINE BIOLOGY $400: You might be "As happy as" this mollusk that has a heart but no brain a clam
#3428, aired 1999-06-30MARINE BIOLOGY $700 (Daily Double): Around 1905 it was discovered that the American eel spawns in this "sea" in the north Atlantic the Sargasso Sea
#3416, aired 1999-06-14BIOLOGY $200: The hepatic portal vein connects the intestine to this organ the liver
#3416, aired 1999-06-14BIOLOGY $400: It's been proposed that sulfate aerosols from these geological phenomena killed off the dinosaurs volcanoes
#3416, aired 1999-06-14BIOLOGY $600: The internodes on the stem of a cabbage plant are very short, so these are stacked close together leaves
#3416, aired 1999-06-14BIOLOGY $1,000 (Daily Double): Night blindness may come from a deficiency in this vitamin, also called retinol vitamin A
#3416, aired 1999-06-14BIOLOGY $1000: Filter feeders include flamingos & these whales named for their filters baleen whales
#3353, aired 1999-03-17BIOLOGY $100: Measles, mumps & rabies are not transmitted by bacteria, but by these Viruses
#3353, aired 1999-03-17BIOLOGY $200: Linnaeus only recognized 2 biological kingdoms; everything was either plant or this Animal
#3353, aired 1999-03-17BIOLOGY $300: It's composed of the brain & spinal cord in vertebrates; scientists abbreviate it CNS Central Nervous System
#3353, aired 1999-03-17BIOLOGY $400: Muscles may connect directly onto bones or connect to them by these Tendons
#3353, aired 1999-03-17BIOLOGY $500: A termite's intestinal tract can break down this plant substance; yours can't Cellulose
#3263, aired 1998-11-11READING, WRITING & ROCK & ROLL $400: This Sam Cooke song says, "Don't know much about history, don't know much biology" "Wonderful World"
#3202, aired 1998-06-30TOUGH BIOLOGY $600: A cultivated plant of multiple genetic types is called this, after a mythical lion-goat-serpent Chimera
#3202, aired 1998-06-30TOUGH BIOLOGY $800: The idea that an animal's growth mirrors evolution is phrased "ontogeny recapitulates" this Phylogeny
#3202, aired 1998-06-30TOUGH BIOLOGY $1000: Amino acids make up these chains, which in turn make up proteins Polypeptides
#3165, aired 1998-05-08COLLEGE MAJORS $300: Anthropology majors study them as group ways of life; biology majors grow them in petri dishes cultures
#3085, aired 1998-01-16"B" IN BIOLOGY $100: This layer of fat helps maintain a whale's body temperature at 93-99 F., & that's nothing to cry over Blubber
#3085, aired 1998-01-16"B" IN BIOLOGY $200: When you "make a muscle" in your arm, you contract this 2-headed muscle Bicep
#3085, aired 1998-01-16"B" IN BIOLOGY $300: It's secreted by the liver, stored in the gallbladder & released into the duodenum after eating Bile
#3085, aired 1998-01-16"B" IN BIOLOGY $500: As opposed to spontaneous generation, it's the theory that life originates only from living organisms Biogenesis
#3085, aired 1998-01-16"B" IN BIOLOGY $700 (Daily Double): It's the branch of biology that specifically studies sometimes harmful one-celled organisms Bacteriology
#3015, aired 1997-10-10BIOLOGY $100: It's any tissue that contracts & relaxes, causing movement of the limbs & other body parts Muscle
#3015, aired 1997-10-10BIOLOGY $200: In 1970 David Baltimore proved that this nucleic acid could transmit information to DNA RNA (Ribonucleic acid)
#3015, aired 1997-10-10BIOLOGY $300: In plants & invertebrates, this outermost layer of protection is usually just one cell thick Epidermis
#3015, aired 1997-10-10BIOLOGY $400: It's the process by which an organism or cell takes in oxygen & expels carbon dioxide Respiration
#3015, aired 1997-10-10BIOLOGY $500: Architectural term for the minimal stimulus that starts a nerve impulse, like pain threshold
#2970, aired 1997-06-27BIOLOGY $200: An animal that's described as heterodont has different kinds of these Teeth
#2970, aired 1997-06-27BIOLOGY $400: The pollex, the first digit on the forelimbs of tetrapods, is known as this body part on you Thumb
#2970, aired 1997-06-27BIOLOGY $600: Birds, reptiles & some mammals have a nectitating membrane, also called a third one of these Eyelid
#2970, aired 1997-06-27BIOLOGY $800: Its 2 coiled polynucleotide chains have opposite polarities DNA (Deoxyribonucleic acid)
#2970, aired 1997-06-27BIOLOGY $1,300 (Daily Double): During this process the blood's fibrinogen is converted into insoluble fibrin Clotting
#2960, aired 1997-06-13BIOLOGY $200: These body cavities can contain blood or can be hollow, as in the bones around the nose sinuses
#2960, aired 1997-06-13BIOLOGY $400: Carrots are examples of these main roots that may have smaller roots branching from them tap roots
#2960, aired 1997-06-13BIOLOGY $600: This verb used in film editing also refers to cutting & recombining DNA molecules splicing
#2960, aired 1997-06-13BIOLOGY $800: It can mean a tumor, or a body part that's a mass of tissue, like the lymph type a node
#2960, aired 1997-06-13BIOLOGY $1000: You win a prize if you give us this term for an organ's shrinkage due to lack of use atrophy
#2891, aired 1997-03-10-OLOGIES $200: Biology is generally divided into 2 branches: botany & this study of animals Zoology
#2877, aired 1997-02-18BIOLOGY $200: This larval stage of a frog or toad is also called a polliwog tadpole
#2877, aired 1997-02-18BIOLOGY $400: The size of your eye's pupil is controlled by this muscular colored membrane iris
#2877, aired 1997-02-18BIOLOGY $600: This yellowish-green secretion of the liver helps in the digestion of fat bile
#2877, aired 1997-02-18BIOLOGY $800: Our sense of balance is centered in these loop-shaped canals of the inner ear semicircular canals
#2877, aired 1997-02-18BIOLOGY $1000: These reproductive cells, such as a sperm & an egg, unite to form a zygote gametes
#2872, aired 1997-02-11BIOLOGY $200: Term for one form of a gene that masks a recessive form, or for the leader of a group of animals Dominant
#2872, aired 1997-02-11BIOLOGY $400: Bacteria in cattle intestines produce this gas implicated in global warming Methane
#2872, aired 1997-02-11BIOLOGY $600: Some of these pituitary chemicals, like thyrotropin, affect other endocrine glands Hormones
#2872, aired 1997-02-11BIOLOGY $800: Organisms that can be cut into 2 mirror images along only one plane have the bilateral type of this property Symmetry
#2872, aired 1997-02-11BIOLOGY $1000: This term for tissue that takes nutrients through a plant also refers to human blood vessels Vascular
#2828, aired 1996-12-11BIOLOGY $200: Lungfish breathe by means of primitive lungs, as well as these respiratory organs Gills
#2828, aired 1996-12-11BIOLOGY $400: Like mushrooms, molds belong to this group of organisms that lack chlorophyll Fungi
#2828, aired 1996-12-11BIOLOGY $600: An ootid is a cell that matures into this Egg
#2828, aired 1996-12-11BIOLOGY $800: Impulses concerned with the sense of smell are transmitted to the brain by these nerves Olfactory Nerves
#2828, aired 1996-12-11BIOLOGY $1000: It's the term for the tiny projections on the surface of the tongue & at the roots of the hair Papillae
#2780, aired 1996-10-04BIOLOGY $200: The umbo is the pointed center & oldest part of this part of a clam the shell
#2780, aired 1996-10-04BIOLOGY $400: Cutaneous respiration is an exchange of gases through this part of the body the skin
#2780, aired 1996-10-04BIOLOGY $600: Dendrites are projections from this type of cell the nerve cells
#2780, aired 1996-10-04BIOLOGY $800: Osmoregulation in the human body is carried out by these organs the kidneys
#2780, aired 1996-10-04BIOLOGY $1000: These glands secrete oil into your hair follicles sebaceous (glands)
#2766, aired 1996-09-16BIOLOGY $200: A venule is a small type of these blood vessels veins
#2766, aired 1996-09-16BIOLOGY $400: Of the 3 types of these in the body, the skeletal or striated ones are the most abundant muscles
#2766, aired 1996-09-16BIOLOGY $600: The living organism from which a parasite gets its nourishment is called this the host
#2766, aired 1996-09-16BIOLOGY $800: Albinism is an example of this, a change in genes that can be passed on to offspring a mutation
#2766, aired 1996-09-16BIOLOGY $1000: During osmosis fluid diffuses through a semipermeable one of these a membrane
#2730, aired 1996-06-14BIOLOGY $100: Insensitive to light, your blind spot is where this nerve joins the eye optic nerve
#2730, aired 1996-06-14BIOLOGY $200: A hormone called glucagon raises the level of this in the blood sugar (glucose)
#2730, aired 1996-06-14BIOLOGY $300: Of curly hair, color-blindness or albinism, the one that isn't a recessive trait curly hair
#2730, aired 1996-06-14BIOLOGY $400: One book describes this protozoan as a "mass of living jelly" amoeba
#2730, aired 1996-06-14BIOLOGY $1,800 (Daily Double): This part of the small intestine is named for the fact that it's about as long as the width of 12 fingers duodenum
#2726, aired 1996-06-10COLLEGES & UNIVERSITIES $200: The Institute of Arctic Biology is connected with this state university Alaska
#2723, aired 1996-06-05BIOLOGY $200: In fish this organ has only 1 atrium & 1 ventricle the heart
#2723, aired 1996-06-05BIOLOGY $400: Exobiology will be the study of these, if we ever find any aliens
#2723, aired 1996-06-05BIOLOGY $500 (Daily Double): Some creatures do this when their protein luciferin is oxidized glow (light up)
#2723, aired 1996-06-05BIOLOGY $600: It's the part of the body in which the gravity-sensing otoliths are found the ear
#2723, aired 1996-06-05BIOLOGY $800: Plants & animal matter break down to form this material in soil humus
#2700, aired 1996-05-03BIOLOGY $200: It takes one fertilized egg to produce identical twins & two eggs to produce this type fraternal twins
#2700, aired 1996-05-03BIOLOGY $400: It's also called the auditory tube eustachian tube
#2700, aired 1996-05-03BIOLOGY $600: It's the part of the eye responsible for converting light into nerve impulses retina
#2700, aired 1996-05-03BIOLOGY $800: Common to certain animals, it's the growing back of a body part after it's been lost or damaged regeneration
#2700, aired 1996-05-03BIOLOGY $2,500 (Daily Double): It's the branch of biology that classifies & names living organisms taxonomy
#2694, aired 1996-04-25BIOLOGY $100: To focus, the shape of this eye part is changed by the ciliary muscles the lens
#2694, aired 1996-04-25BIOLOGY $200: Its 2 chains of nucleotides are twisted into a double helix held together by hydrogen bonds DNA
#2694, aired 1996-04-25BIOLOGY $400: Asexual reproduction may use mitosis; sexual reproduction uses this division process meiosis
#2694, aired 1996-04-25BIOLOGY $500 (Daily Double): Fungi reproduce by these; one giant puffball may contain trillions of them spores
#2694, aired 1996-04-25BIOLOGY $500: It's the bright yellow pigment in leaves & orange vegetables carotene
#2678, aired 1996-04-03BIOLOGY $100: A heterodont animal has different types of these-- incisors & molars, for example teeth
#2678, aired 1996-04-03BIOLOGY $200: Found within plant cells, a chloroplast contains this green pigment chlorophyll
#2678, aired 1996-04-03BIOLOGY $300: In humans 3 to 5 of these bony segments make up the coccyx vertebrae
#2678, aired 1996-04-03BIOLOGY $400: Individuals with the B type of this blood clotting disorder lack plasma thromboplastin hemophilia
#2678, aired 1996-04-03BIOLOGY $500: The paramecium is covered with threadlike projections called these cilia
#2662, aired 1996-03-12SCIENCE $100: In biology something patelliform is shaped like this body part, the patella the kneecap
#2659, aired 1996-03-07BIOLOGY $100: A protein is one or more chains of these acids joined by peptide bonds into a molecule amino acids
#2659, aired 1996-03-07BIOLOGY $200: Chasmogamous describes flowers whose petals open so this can occur pollination
#2659, aired 1996-03-07BIOLOGY $300: Rodents use these chisel-shaped front teeth for gnawing incisors
#2659, aired 1996-03-07BIOLOGY $400: Between the arterioles & the venules, blood flows through these capillaries
#2659, aired 1996-03-07BIOLOGY $2,000 (Daily Double): It lets air in & out of your middle ear the Eustachian tube
#2650, aired 1996-02-23BIOLOGY $200: These paired openings of the nasal cavity are also called nares nostrils
#2650, aired 1996-02-23BIOLOGY $400: Tetracycline is a broad-spectrum type of this drug, since it's effective against a wide variety of bacteria antibiotic
#2650, aired 1996-02-23BIOLOGY $600: This partially decomposed plant material that forms in bogs is the first step in coal formation peat
#2650, aired 1996-02-23BIOLOGY $800: Parthenogenesis is the development of an individual from an egg that has not undergone this process fertilization
#2650, aired 1996-02-23BIOLOGY $1000: Pelagic animals & plants are divided into 2 groups: nekton, which are free swimming, & these, which drift plankton
#2551, aired 1995-10-09BIOLOGY $200: All living things on Earth are constructed of these or are just a single one cells
#2551, aired 1995-10-09BIOLOGY $400: As opposed to bird eggs, human eggs have very little of this material in which nutrients are stored the yolk (albumen)
#2551, aired 1995-10-09BIOLOGY $600: Among hormones made in the pancreas, glucagon has the opposite effect of this one insulin
#2551, aired 1995-10-09BIOLOGY $1000: In the early 1900s, Thomas Hunt Morgan found that red was the dominant color of these insects' eyes fruit flies
#2551, aired 1995-10-09BIOLOGY $1,600 (Daily Double): Process illustrated by the equation seen here: 6CO2 + 6H2O light > C6H12O6 + 6O2 photosynthesis
#2546, aired 1995-10-02BIOLOGY $200: A person's navel marks the spot where this cord was attached during development in the womb the umbilical cord
#2546, aired 1995-10-02BIOLOGY $400: It's the baglike organ that contains a cow's mammary glands udder
#2546, aired 1995-10-02BIOLOGY $600: Adipose tissue beneath the skin is made of this fat
#2546, aired 1995-10-02BIOLOGY $800: It's thhe middle region of the body of an insect, or the chest region in mammals the thorax
#2546, aired 1995-10-02BIOLOGY $1,000 (Daily Double): When a male & female gamete fuse, they form one of these cells that develops into the embryo the zygote
#2540, aired 1995-09-22LITERATURE $1000: In this John Steinbeck novel, Mack & his friends throw a party for Doc & ruin his biology lab Cannery Row
#2527, aired 1995-09-05BIOLOGY $100: Lipids are soluble in fat solvents & insoluble in this common liquid water
#2527, aired 1995-09-05BIOLOGY $200: In some flies this secretion contains a digestive enzyme; in bloodsuckers, an anticoagulant saliva
#2527, aired 1995-09-05BIOLOGY $300: The pollen producer in a flower, it features an anther at its apex a stamen
#2527, aired 1995-09-05BIOLOGY $400: Among the muscles, it's the antagonist of the biceps the triceps (quadriceps)
#2527, aired 1995-09-05BIOLOGY $500: Vital for blood clotting, there are about 250,000 of them per cubic millimeter of blood platelets
#2507, aired 1995-06-27BIOLOGY $200: Gastrin, a hormone that stimulates the flow of gastric juice, is produced by cells in this organ the stomach
#2507, aired 1995-06-27BIOLOGY $400: This chief male sex hormone is also produced by women in the ovaries in small amounts testosterone
#2507, aired 1995-06-27BIOLOGY $600: The 2 main processes by which a cell divides are meiosis & this mitosis
#2507, aired 1995-06-27BIOLOGY $800: It's the darkish pigment that gives skin, hair & the iris of the eye their coloring melanin
#2507, aired 1995-06-27BIOLOGY $1000: The smallest blood cells are these disk-shaped structures that trigger clotting platelets
#2428, aired 1995-03-08AUTHORS $400: Before writing such novels as "The War of the Worlds", he wrote biology & geography textbooks H.G. Wells
#2418, aired 1995-02-22BIOLOGY $100: Vitamin K helps your blood do this when you're cut clot
#2418, aired 1995-02-22BIOLOGY $200: They're stimulated by red, blue & green parts of the spectrum & have shorter response times than rods cones
#2418, aired 1995-02-22BIOLOGY $300: Protozoans do this by conjugation or fission reproduce
#2418, aired 1995-02-22BIOLOGY $400: Blood cells are suspended in this watery matrix plasma
#2418, aired 1995-02-22BIOLOGY $500: Slugs & snails, like squids, are members of this phylum Mollusca
#2390, aired 1995-01-13BIOLOGY $200: Your coccyx is a rudimentary one of these which reaches its maximum length in the 6th week of development tail
#2378, aired 1994-12-28BIOLOGY $100: Crocodilians are the only reptiles in which this organ has 4 separated chambers the heart
#2378, aired 1994-12-28BIOLOGY $200: The armadillo possesses the endo- & exo- types of this support structure skeleton
#2378, aired 1994-12-28BIOLOGY $300: E. coli, one of these found in humans, is often used in genetic studies a bacteria
#2378, aired 1994-12-28BIOLOGY $400: A bird's crop is an expanded area of this part of the alimentary canal between the pharynx & stomach the esophagus
#2378, aired 1994-12-28BIOLOGY $500: In 1910 Paul Ehrlich announced that Salvarsan was an effective treatment for this disease syphilis
#2319, aired 1994-10-06BIOLOGY $200: In genetics the alleles, which control traits like height, are either dominant or this recessive
#2319, aired 1994-10-06BIOLOGY $400: Ptyalin, pepsin & maltase are a few of the enzymes in this system the digestive system
#2319, aired 1994-10-06BIOLOGY $600: Spirochetes are the spiral-shaped types of these microorganisms bacteria
#2319, aired 1994-10-06BIOLOGY $800: In "Krill", a card game, the object is to build these from plankton to krill to whale food chains
#2309, aired 1994-09-22BIOLOGY $100: In botany something that is foliate has or is covered with these leaves
#2309, aired 1994-09-22BIOLOGY $200: Edentate mammals, like sloths or armadillos, lack these or have only enamelless ones teeth
#2309, aired 1994-09-22BIOLOGY $300: Viewing an eclipse of the sun may cause this light-sensitive membrane to "burn", damaging vision the retina
#2309, aired 1994-09-22BIOLOGY $400: Spiders' blood is this color, not red, due to the oxygen-carrying pigment hemocyanin blue
#2309, aired 1994-09-22BIOLOGY $500: Norman Gregg discovered that this disease, also called rubella, could cause birth defects German measles
#2274, aired 1994-06-23MARINE BIOLOGY $200: The gulper, an eellike fish, has such huge jaws that it can do this to prey larger than itself swallow them (or eat them)
#2274, aired 1994-06-23MARINE BIOLOGY $400: The sargassum fish in the Sargasso Sea look remarkably like this vegetation that's abundant there seaweed
#2274, aired 1994-06-23MARINE BIOLOGY $600: The sea elephant, whose nose may be 15 inches long, is better known as this the elephant seal
#2274, aired 1994-06-23MARINE BIOLOGY $800: You're on the "money" if you know that this echinoderm ranges up to 4 inches in diameter a sand dollar
#2274, aired 1994-06-23MARINE BIOLOGY $1000: This primitive fish, once believed extinct, may weigh up to 160 pounds a coelacanth
#2245, aired 1994-05-13BIOLOGY $200: It's the large organ suspended from a cow's body that holds milk the udder
#2245, aired 1994-05-13BIOLOGY $400: It's the part of a living cell that contains the chromosomes the nucleus
#2245, aired 1994-05-13BIOLOGY $600: In the liver & spleen, a protein called ferritin stores this mineral iron
#2245, aired 1994-05-13BIOLOGY $1000: Nerve impulses in the body are transmitted from cell to cell by dendrites & these fibers axons
#2245, aired 1994-05-13BIOLOGY $2,800 (Daily Double): Though "inferior" in name, it's the largest vein in the human body the (inferior) vena cava
#2228, aired 1994-04-20BIOLOGY $100: On birds there are contour & down types of these feathers
#2228, aired 1994-04-20BIOLOGY $200: Among humans it's the homogametic sex because it has 2 X chromosomes female
#2228, aired 1994-04-20BIOLOGY $300: Term for your first set of teeth or for trees that lose their leaves each year deciduous
#2228, aired 1994-04-20BIOLOGY $400: It's a thin sheet of tissue through which osmosis may occur a membrane
#2228, aired 1994-04-20BIOLOGY $500: Common name of Cypselurus californicus whose enlarged pectoral fins act as airfoils flying fish
#2223, aired 1994-04-13LESSER KNOWN NAMES $600: T. Dobzhansky wasn't a fly-by-night name in this field of biology, but more of a "fruit fly-by-night" genetics
#2216, aired 1994-04-04BIOLOGY $200: One thing that separates bacteria from plants is that they usually lack this green pigment chlorophyll
#2216, aired 1994-04-04BIOLOGY $400: This material that sticks to the walls of blood vessels, clogging them, is a steroid cholesterol
#2216, aired 1994-04-04BIOLOGY $600: Term for a biological process made to happen outside the body, it literally means "in glass" in vitro
#2216, aired 1994-04-04BIOLOGY $800: The thread of messenger RNA molecules forms a single one of these; the threads of DNA, a double one a helix
#2216, aired 1994-04-04BIOLOGY $1000: Used to move one-celled organisms, they're similar to cilia but longer & fewer in number flagella
#2192, aired 1994-03-01BIOLOGY $200: In women these tubes aren't connected directly to the ovaries; the eggs have to jump a gap the fallopian tubes
#2192, aired 1994-03-01BIOLOGY $400: The vessels within a leaf blade, the pattern they form is used to identify plants the veins
#2192, aired 1994-03-01BIOLOGY $600: You have 2 different types of these, autosome & sex chromosomes
#2192, aired 1994-03-01BIOLOGY $800: The term brachial refers to this body part or something that resembles it an arm
#2192, aired 1994-03-01BIOLOGY $1,000 (Daily Double): Among the lipids produced by this organ is cholesterol the liver
#2187, aired 1994-02-22BIOLOGY $200: In mammals the thorax is divided from the abdomen by this muscular sheet of tissue diaphragm
#2187, aired 1994-02-22BIOLOGY $400: While most conifers are evergreens, the larch is this, dropping its leaves each year deciduous
#2187, aired 1994-02-22BIOLOGY $600: A nictitating membrane is a "third" one of these found in birds, reptiles & other creatures eyelid
#2187, aired 1994-02-22BIOLOGY $1000: When one of these infectious agents is mature it's called a virion virus
#2187, aired 1994-02-22BIOLOGY $1,500 (Daily Double): A halophyte is a plant that tolerates a high level of this in the soil salt
#2175, aired 1994-02-04BIOLOGY $100: Members of this order of mammals have chisel-like incisors for gnawing & no canine teeth rodents
#2175, aired 1994-02-04BIOLOGY $200: Bipolar, ganglion & amacrine cells connect the cones & rods of the retina to this nerve the optic nerve
#2175, aired 1994-02-04BIOLOGY $300: These chambers of the heart were formerly called the auricles the atria
#2175, aired 1994-02-04BIOLOGY $400: Doctors sometimes induce hypothermia, which is this, to reduce metabolic activity low body temperature
#2175, aired 1994-02-04BIOLOGY $500: This genus of bacteria includes S. typhi, causing typhoid, & S. typhimurium, causing food poisoning salmonella
#2147, aired 1993-12-28BIOLOGY $100: DDT has endangered many carnivorous birds because it causes the shells of these to become paper thin their eggs
#2147, aired 1993-12-28BIOLOGY $200: A deciduous tree drops these in the autumn & produces new ones in the spring leaves
#2147, aired 1993-12-28BIOLOGY $300: Dentin is the calcified tissue surrounding the pulp of one of these a tooth
#2147, aired 1993-12-28BIOLOGY $400: The coelacanth, a primitive type of this animal, has lobed as well as ray types of fins a fish
#2147, aired 1993-12-28BIOLOGY $500: This type of "heap" is a pile of vegetable material allowed to break down & used to improve soil a compost heap
#2136, aired 1993-12-13BIOLOGY $100: The human larynx contains these sound- producing membranes the vocal cords
#2136, aired 1993-12-13BIOLOGY $200: A bivalve is a mollusk with 2 hinged parts to this the shell
#2136, aired 1993-12-13BIOLOGY $300: This period is about 60 days for a housecat, 9 months for a human & 18 months for an Indian elephant gestation
#2136, aired 1993-12-13BIOLOGY $400: Shrimps & crabs belong to this class of arthropods Crustaceans
#2136, aired 1993-12-13BIOLOGY $500: Drosophila melanogaster, this type of fly, is probably the animal whose genetics are best understood a fruit fly
#2123, aired 1993-11-24BIOLOGY $200: This outermost skin layer may be five times thicker on the palms & soles than on the rest of the body Epidermis
#2123, aired 1993-11-24BIOLOGY $400: Luciferin is a substance found in certain plants & animals that causes them to do this Glow in the dark
#2123, aired 1993-11-24BIOLOGY $800: The paramecium, a microorganism found in fresh water, moves by means of these tiny, hair-like threads Cilia
#2123, aired 1993-11-24BIOLOGY $1,000 (Daily Double): Metanephros is the medical name for this organ found in birds, reptiles & humans Kidneys
#2123, aired 1993-11-24BIOLOGY $1000: During fertilization, two of these cells, one each from the male & female, unite to form a zygote Gametes
#2101, aired 1993-10-25BIOLOGY $100: In heliotropism, the flowers of a plant turn toward this during the day the Sun
#2101, aired 1993-10-25BIOLOGY $200: Of the 2 main types of light-sensitive cells in the retina, these are used in low light the rods
#2101, aired 1993-10-25BIOLOGY $400: Most blood cells are produced in the red, not the yellow, type of this tissue the (bone) marrow
#2101, aired 1993-10-25BIOLOGY $500: High levels of this substance that the body converts to vitamin A may turn the skin yellow carotene
#2101, aired 1993-10-25BIOLOGY $700 (Daily Double): Each of a mammal's erector pili muscles is attached to one of these a hair
#2087, aired 1993-10-05BIOLOGY $100: A scorpion's stinger is located in this part of its body the tail
#2087, aired 1993-10-05BIOLOGY $200: They're the glands in females that produce milk mammary glands
#2087, aired 1993-10-05BIOLOGY $300: In vertebrates the oculomotor nerve stimulates the muscles that move this organ the eyes
#2087, aired 1993-10-05BIOLOGY $500 (Daily Double): Like human hair, a bird's feathers are made of this protein keratin
#2087, aired 1993-10-05BIOLOGY $500: Many animals exhibit geotactic behavior; that is, they move in response to this force gravity
#2056, aired 1993-07-12BIOLOGY $200: Pinna can refer to the primary division of a leaf, a bird's wing or this part of a fish fin
#2056, aired 1993-07-12BIOLOGY $400: Insects don't have lungs, but they do have several of these windpipes trachea
#2056, aired 1993-07-12BIOLOGY $600: Sebum, an oily secretion from these glands, waterproofs the hair & skin sebaceous glands
#2056, aired 1993-07-12BIOLOGY $800: In vivo refers to biological processes within an organism & this refers to ones outside it, as in a test tube In vitro
#2056, aired 1993-07-12BIOLOGY $1000: Deglutition is another term for this common, reflexive process in the throat swallowing
#2047, aired 1993-06-29BIOLOGY $200: Unlike most birds, ratites like the ostrich can't do this fly
#2047, aired 1993-06-29BIOLOGY $400: Associated with this sense, the olfactory lobe is better developed in most vertebrates than in man smell
#2047, aired 1993-06-29BIOLOGY $600: Renin, an enzyme that breaks down protein, is secreted by cells in this organ the kidney
#2047, aired 1993-06-29BIOLOGY $800: Common "colorful" term for the eythrocytes, which transport oxygen around the body the red blood cells
#2047, aired 1993-06-29BIOLOGY $1000: This nucleic acid occurs in 3 forms: messenger, ribosomal & transfer RNA
#2033, aired 1993-06-09BIOLOGY $100: In the 1830s 2 scientists independently proposed that living matter is made up of these cells
#2033, aired 1993-06-09BIOLOGY $200: The 3 main divisions of the brain are the stem, the cerebrum & this the cerebellum
#2033, aired 1993-06-09BIOLOGY $300: Climacteric is another term for this change of life when a woman no longer ovulates menopause
#2033, aired 1993-06-09BIOLOGY $400: In vertebrates the upper & lower parts of the jaw are referred to as the maxilla & this the mandible
#2033, aired 1993-06-09BIOLOGY $500: It's the more common term for a cat's vibrissae its whiskers
#2026, aired 1993-05-31BIOLOGY $200: Dentition refers to the development of these, or their number, shape & arrangement teeth
#2026, aired 1993-05-31BIOLOGY $400: In most fish this organ is S-shaped with 1 atrium & 1 ventricle the heart
#2026, aired 1993-05-31BIOLOGY $600: Often triggered by cold or shock, piloerection is the literal standing of these on end hairs
#2026, aired 1993-05-31BIOLOGY $800: Made up of 3 segments, it's the part of an insect's body that bears the walking legs & wings the thorax
#2026, aired 1993-05-31BIOLOGY $1000: This dark pigment which normally colors skin & animal fur is absent or lacking in albinism melanin
#1999, aired 1993-04-22BIOLOGY $100: Something defined as congenital is present at this time birth
#1999, aired 1993-04-22BIOLOGY $200: A sprain is an injury to these connective tissues between the bones of a joint ligaments
#1999, aired 1993-04-22BIOLOGY $300: It's the thigh bone of a tetrapod (hint: you're a tetrapod) the femur
#1999, aired 1993-04-22BIOLOGY $400: New molds form from these, not from seeds spores
#1999, aired 1993-04-22BIOLOGY $500: During meiosis the number of these is cut in half so there aren't twice as many in the next generation chromosomes
#1970, aired 1993-03-12SCIENCE $100: This branch of biology deals with the principles of heredity genetics
#1957, aired 1993-02-23BIOLOGY $200: To breathe, fish take water in through the mouth & pass it through these, which absorb the oxygen the gills
#1957, aired 1993-02-23BIOLOGY $400: Robert Hooke gave this term to the compartments in plant & animal tissue he saw under his microscope cells
#1957, aired 1993-02-23BIOLOGY $600: Recombinant DNA technology is the manipulation of these genes
#1957, aired 1993-02-23BIOLOGY $800: Common name of the non-mobile aquatic animals scientifically called Porifera, or "having pores" sponges
#1957, aired 1993-02-23BIOLOGY $1000: The diploid number of chromosomes in man 46
#1940, aired 1993-01-29BIOLOGY $200: Each of these units of heredity is a segment of DNA a gene
#1940, aired 1993-01-29BIOLOGY $400: Cytology is a branch of biology that studies these units of life cells
#1940, aired 1993-01-29BIOLOGY $600: Myelin, a white fatty substance, surrounds some of these internal fibers nerves
#1940, aired 1993-01-29BIOLOGY $1000: In 1674 this Dutch biologist became the first to observe bacteria & protozoa under the microscope van Leeuwenhoek
#1940, aired 1993-01-29BIOLOGY $1,500 (Daily Double): These organs release an enzyme called renin that helps maintain blood pressure the kidneys
#1930, aired 1993-01-15BIOLOGY $100: Arachnids have 8 legs; most amphibians have this many 4
#1930, aired 1993-01-15BIOLOGY $200: In cows this organ consists of 4 parts: the abomasum, omasum, rumen & reticulum the stomach
#1930, aired 1993-01-15BIOLOGY $300: This purine derivative found in coffee beans is not only a stimulant, it's a diuretic caffeine
#1930, aired 1993-01-15BIOLOGY $400: An animal described as edentulous doesn't have these teeth
#1930, aired 1993-01-15BIOLOGY $500 (Daily Double): This organ removes excess glucose from the blood & stores it as glycogen the liver
#1919, aired 1992-12-31BIOLOGY $100: A large division of algae is the Chlorophyta, which are this color green
#1919, aired 1992-12-31BIOLOGY $200: Herbert Spencer, not Darwin, coined this phrase about natural selection favoring the best adapted survival of the fittest
#1919, aired 1992-12-31BIOLOGY $300: In humans it's the smaller of the 2 sex chromosomes the Y
#1919, aired 1992-12-31BIOLOGY $400: Anemophily is the transfer of this substance between plants by the wind pollen
#1919, aired 1992-12-31BIOLOGY $500: This part of red blood cells is broken down to give bile its coloration the hemoglobin
#1896, aired 1992-11-30BIOLOGY $200: A mold discovered in Peoria, Illinois in '43 was found to yield many time more of this drug than Fleming's penicillin
#1896, aired 1992-11-30BIOLOGY $400: Any mollusk whose shell consists of 2 parts hinged together is called this a bivalve
#1896, aired 1992-11-30BIOLOGY $600: The king crab breathes through a book type of this organ, named for its many "leaves" a gill
#1896, aired 1992-11-30BIOLOGY $800 (Daily Double): Binary fission & budding are 2 examples of this type of reproduction asexual
#1896, aired 1992-11-30BIOLOGY $1000: By definition a frugivore eats this fruit
#1869, aired 1992-10-22BIOLOGY $100: Often forming a reef, this substance is made of the skeletons of creatures called coelenterates coral
#1869, aired 1992-10-22BIOLOGY $200: A decapod is a crustacean having this many arms or legs 10
#1869, aired 1992-10-22BIOLOGY $300: Twins of this type can be of the same sex or of different sexes fraternal
#1869, aired 1992-10-22BIOLOGY $400: P680 & P700 are special forms of this photosynthetic pigment chlorophyll
#1869, aired 1992-10-22BIOLOGY $500: While nektons swim freely through the water, this group of organisms drifts plankton
#1856, aired 1992-10-05BIOLOGY $200: As its name indicates, a mineral called calcitonin lowers the level of this mineral in the blood calcium
#1856, aired 1992-10-05BIOLOGY $400: Related to red hemoglobin, chlorocruorin, a pigment in some worms, is this color green
#1856, aired 1992-10-05BIOLOGY $600: In fish & amphibians, the mesonephros functions much like this organ in humans the kidney
#1856, aired 1992-10-05BIOLOGY $800: A flower is considered perfect if it has both pistils & these male organs the stamen
#1856, aired 1992-10-05BIOLOGY $1000: Latin for "hard mother" it's the outermost membrane covering the brain dura mater
#1848, aired 1992-09-23-OLOGIES $800 (Daily Double): This major field of biology concerns the body's defenses against disease & foreign substances immunology
#1838, aired 1992-09-09BIOLOGY $200: In vertebrates the frontal bone covers the front of this organ the brain
#1838, aired 1992-09-09BIOLOGY $400: In mammals the 2 oviducts, which carry eggs from the ovaries to the uterus, are also called these the Fallopian tubes
#1838, aired 1992-09-09BIOLOGY $600: Zymase, an enzyme in yeast, converts sugar into alcohol during this process fermentation
#1838, aired 1992-09-09BIOLOGY $800: Venation, used to identify insects, is the arrangement of veins in these parts of their bodies their wings
#1838, aired 1992-09-09BIOLOGY $1000: Some protozoa, such as the euglena, move about by means of these hairlike structures similar to cilia flagella
#1832, aired 1992-07-14MARINE BIOLOGY $200: Types of this porous animal include red-beard & bath a sponge
#1832, aired 1992-07-14MARINE BIOLOGY $400: Scientists call these boneless, umbrella-shaped sea animals medusas jellyfish
#1832, aired 1992-07-14MARINE BIOLOGY $600: The largest known shell of this bivalve was a 734-pound specimen found off Okinawa in 1956 a clam
#1832, aired 1992-07-14MARINE BIOLOGY $1,000 (Daily Double): Asterias vulgaris is the "common" species of this marine animal a starfish
#1832, aired 1992-07-14MARINE BIOLOGY $1000: American & European eels begin their lives in this huge seaweed area of the Atlantic Ocean the Sargasso Sea
#1787, aired 1992-05-12MARINE BIOLOGY $200: Often found in whales & seals, this is a thick layer of fat deposited below the dermis blubber
#1787, aired 1992-05-12MARINE BIOLOGY $400: Crocodiles & their relatives are unique among reptiles in having 4-chambered ones of these a heart
#1787, aired 1992-05-12MARINE BIOLOGY $800: Anadromous fish such as salmon migrate up rivers to do this spawn
#1787, aired 1992-05-12LAW $1000: This provision of a life insurance contract requires twice the payment in the event of accidental death double indemnity
#1787, aired 1992-05-12MARINE BIOLOGY $1000: Their leaps of up to 35' in the air & glides of almost 1000' may be to escape undersea predators flying fish
#1787, aired 1992-05-12MARINE BIOLOGY $1,500 (Daily Double): The skeletons of skates & rays are made of this material rather than bone cartilage
#1781, aired 1992-05-04NUCLEAR PHYSICS $200: From its resemblance to cell splitting in biology, the splitting of an atom is called this fission
#1766, aired 1992-04-13BIOLOGY $100: Term for the process of releasing an egg for fertilization ovulating
#1766, aired 1992-04-13BIOLOGY $200: The three small bones found in this organ are known collectively as the ossicles the ear
#1766, aired 1992-04-13BIOLOGY $300: In birds, this part of the alimentary canal is also known as the gastric mill the gizzard
#1766, aired 1992-04-13BIOLOGY $500 (Daily Double): Some mollusks & other lower creatures are acephalous, meaning they lack this body part a head
#1766, aired 1992-04-13BIOLOGY $500: In humans, they're the two main processes of cell division meiosis & mitosis
#1765, aired 1992-04-10SCIENCE $400: One of the oldest marine biology laboratories is located at Woods Hole in this New England state Massachusetts
#1752, aired 1992-03-24BIOLOGY $200: The spinneret in a spider makes silk for webs; in an insect it makes silk for these cocoons
#1752, aired 1992-03-24BIOLOGY $400: A venule is a small one of these vein
#1752, aired 1992-03-24BIOLOGY $600: 6-letter term for a localized population of bacteria colony
#1752, aired 1992-03-24BIOLOGY $800: These threadlike projections on protozoans all beat in one direction to move it around cilia
#1752, aired 1992-03-24BIOLOGY $1000: Stridulation is the sound made by a grasshopper rubbing this against his leg wing
#1744, aired 1992-03-12BIOLOGY $200: Humans have 23 pairs of these per cell, corn has 10 & the fruit fly 4 chromosomes
#1744, aired 1992-03-12BIOLOGY $400: In ruminants such as cattle, the abomasum is the fourth chamber of this organ stomach
#1744, aired 1992-03-12BIOLOGY $600: The eardrum, about 2/5 inch in diameter, is also known as this membrane tympanic membrane
#1744, aired 1992-03-12BIOLOGY $800: It's the branch of biology that studies the development of organisms from fertilization to birth embryology
#1744, aired 1992-03-12BIOLOGY $1000: Digestive juices secreted by the pancreas pass through a duct into this part of the small intestine duodenum
#1738, aired 1992-03-04BIOLOGY $200: This colorless, odorless liquid makes up over 60% of the human body's weight water
#1738, aired 1992-03-04BIOLOGY $400: Flowers secrete this sugar-containing liquid to attract insect pollinators nectar
#1738, aired 1992-03-04BIOLOGY $600: This vitamin is produced in the skin when it's produced by ultraviolet light from the sun vitamin D
#1738, aired 1992-03-04BIOLOGY $800: An oncogene is a gene that can can cause this disease in its host cancer
#1738, aired 1992-03-04BIOLOGY $3,500 (Daily Double): This is the bending of parts of a plant in response to directional light stimulus heliotropism or phototropism
#1733, aired 1992-02-26"E" "Z" SCIENCE $600: It's the branch of biology that deals with animals zoology
#1700, aired 1992-01-10BIOLOGY $200: This word can mean a thread to close a wound or an immovable joint between skull bones suture
#1700, aired 1992-01-10BIOLOGY $400: Parasitic trypanosomes found in the guts of tsetse flies cause this disease in humans sleeping sickness
#1700, aired 1992-01-10BIOLOGY $600: Vitamin K is essential for the synthesis of prothrombin, which helps blood do this clot
#1700, aired 1992-01-10BIOLOGY $800: It was discovered in Bauxite, Arkansas that this compound reduces tooth decay fluoride
#1700, aired 1992-01-10BIOLOGY $6,000 (Daily Double): The pinna is the external part of this sensory organ ear
#1698, aired 1992-01-08MARINE BIOLOGY $200: He became a capitaine de corvette in the French Navy in the '40s * captain of the Calypso in 1950 Jacques Cousteau
#1698, aired 1992-01-08MARINE BIOLOGY $400: Barnacles, crabs & lobsters are members of this arthropod class Crustacea
#1698, aired 1992-01-08MARINE BIOLOGY $600: The seaweed that makes up this huge "Sea" within the Atlantic Ocean reproduces without seeds the Sargasso Sea
#1698, aired 1992-01-08MARINE BIOLOGY $800: This "colorful" tide occurs when there is a population explosion of dinoflagellates a red tide
#1698, aired 1992-01-08MARINE BIOLOGY $1000: Sometimes called a sea cow, this rare mammal is a close relative of the dugong a manatee
#1672, aired 1991-12-03BIOLOGY $200: During metamorphosis, most members of this class of animals lose their external gills amphibians
#1672, aired 1991-12-03BIOLOGY $400: Mendel's laws of heredity deal with dominant traits & this type recessive
#1672, aired 1991-12-03BIOLOGY $600: Adipose tissue, which provides heat & energy to the body, consists mainly of this substance fat
#1672, aired 1991-12-03BIOLOGY $800: Like the splitting of atomic nuclei, bacteria & amoebas reproduce by this method fission
#1672, aired 1991-12-03BIOLOGY $1000: Exhibited by lower animals, it's the growth of new body parts to replace lost or broken ones regeneration
#1670, aired 1991-11-29BIOLOGY $200: A protective layer of dead cells found on trees and bulletin boards cork
#1670, aired 1991-11-29BIOLOGY $400: Compton's shows a parakeet breathing underwater via an artificial one of these gill
#1670, aired 1991-11-29BIOLOGY $800: One of the things that separates bacteria from plants is that they usually lack this green pigment chlorophyll
#1670, aired 1991-11-29BIOLOGY $1,000 (Daily Double): In taxonomy, it's the main division between class & family order
#1670, aired 1991-11-29BIOLOGY $1000: Liver, leafy vegetables & kidneys provide a dietary source of folic acid, part of this vitamin group vitamin B
#1662, aired 1991-11-19BIOLOGY $200: Adult frogs have 2 organs of respiration, the skin & these lungs
#1662, aired 1991-11-19BIOLOGY $400: Common name of dizygotic twins fraternal twins
#1662, aired 1991-11-19BIOLOGY $600: Peristaltic waves move down this tube that connects the pharynx & stomach the esophagus
#1651, aired 1991-11-04THE 16th CENTURY $400: 16th century Flemish scientist Andreas Vesalius is considered the father of this branch of biology Anatomy
#1645, aired 1991-10-25BIOLOGY $100: Phagocytes are blood cells of this color that act as scavengers white
#1645, aired 1991-10-25BIOLOGY $200: This pure gas is a by-product of photosynthesis oxygen
#1645, aired 1991-10-25BIOLOGY $300: With walls as thin as one cell, they connect arteries & veins capillaries
#1645, aired 1991-10-25BIOLOGY $400: The Russian scientist with whom we associate the phrase "conditioned response" (Ivan) Pavlov
#1645, aired 1991-10-25BIOLOGY $500: The presence of this chromosome in a set of 23 pairs indicates the set is from a human male the Y chromosome
#1630, aired 1991-10-04BIOLOGY $200: These are made up of a racus, barbules, barbs & a quill Feather
#1630, aired 1991-10-04BIOLOGY $400: Houseflies & tsetse flies are true flies & have this many wings 2
#1630, aired 1991-10-04BIOLOGY $600: Hemolysis is the release of this protein pigment from blood cells Hemoglobin
#1630, aired 1991-10-04BIOLOGY $1000: This jelling agent prepared from seaweed is often used to grow microorganisms Agar
#1630, aired 1991-10-04BIOLOGY $1,300 (Daily Double): Coral, horse, oyster & parasol are types of this fungus Mushrooms
#1608, aired 1991-09-04BIOLOGY $100: One red species of this simple plant exits at a record depth of 884 feet in the ocean algae
#1608, aired 1991-09-04BIOLOGY $200: Puffballs, yeast & rots belong to this group of plants that lack chlorophyll fungi
#1608, aired 1991-09-04BIOLOGY $300: When harmful substances enter the body these proteins neutralize or destroy antibodies
#1608, aired 1991-09-04BIOLOGY $400: The principles of mutation were discovered by Thomas Hunt Morgan working with drosophila, this tiny insect the fruit fly
#1608, aired 1991-09-04BIOLOGY $500: The name of this class of vertebrates literally means "having 2 lives" the Amphibia
#1601, aired 1991-07-15BIOLOGY $200: It's the term for the young or larval stage of toads as well as frogs tadpoles
#1601, aired 1991-07-15BIOLOGY $600: A pulse is taken where one of these lying close to the skin can be pressed lightly an artery
#1601, aired 1991-07-15BIOLOGY $800: Protozoans, prairie dogs & ants live in groups called these colonies
#1601, aired 1991-07-15BIOLOGY $1000: Linnaeus used 2 names to classify each living thing; 1 for its genus, the other for this species
#1583, aired 1991-06-19BIOLOGY $200: In mammals, these consist of dentin, enamel & a pulp cavity teeth
#1583, aired 1991-06-19BIOLOGY $400: These reproductive tubes are also known as oviducts fallopian tubes
#1583, aired 1991-06-19BIOLOGY $600: Thermophilic microorganisms grow well if this is high temperature
#1583, aired 1991-06-19BIOLOGY $800: This circular pigmented area surrounds the pupil of the eye the iris
#1583, aired 1991-06-19BIOLOGY $1000: These organisms are divided into gram positive & negative by how they react to gram stain bacteria
#1577, aired 1991-06-11ANTHROPOLOGY $400: Physical anthropology concerns itself with the biology of this species, our own Homo sapiens
#1567, aired 1991-05-28BIOLOGY $100: The seed-containing fruit of the dandelion is designed so it can be dispersed by this the wind
#1567, aired 1991-05-28BIOLOGY $200: The 3 substances in cell walls that make up the woody tissue of trees are pentosan, lignin & this cellulose
#1567, aired 1991-05-28BIOLOGY $400: Specialty that is concerned with bacteria, molds, yeasts & viruses among others microbiology
#1567, aired 1991-05-28BIOLOGY $500: One theory holds they developed from overlapping fringed extentions on the ends of reptiles' scales feathers
#1567, aired 1991-05-28BIOLOGY $800 (Daily Double): Humans typically have a set of 46 in most of their cells chromosomes
#1560, aired 1991-05-17MARINE BIOLOGY $100: An octopus has 3 of these which pump blood through its body hearts
#1560, aired 1991-05-17MARINE BIOLOGY $200: The animals that form atolls coral
#1560, aired 1991-05-17MARINE BIOLOGY $300: Because they have only 1 shell, sea snails aren't called bivalves but these univalves
#1560, aired 1991-05-17MARINE BIOLOGY $400: Fairy shrimps have compound ones on stalks eyes
#1560, aired 1991-05-17MARINE BIOLOGY $500: This sea animal once believed to use 2 of its arms as sails, was named for the men who sailed with Jason argonaut
#1544, aired 1991-04-25BIOLOGY $200: It's the oldest domesticated animal whose breeding has been controlled for desirable traits a dog
#1544, aired 1991-04-25BIOLOGY $400: As its name indicates, an adrenal gland lies on this organ the kidney
#1544, aired 1991-04-25BIOLOGY $600: In a plant transpiration is the loss of this through the leaves water
#1544, aired 1991-04-25BIOLOGY $800: Your main arteries through the heart are the pulmonary, the carotid & this largest artery the aorta
#1544, aired 1991-04-25BIOLOGY $1000: It's an association of 2 different organisms living together for the advantage of both symbiosis
#1534, aired 1991-04-11BIOLOGY $200: The chromosomes of bacteria consist entirely of this substance with no RNA DNA
#1534, aired 1991-04-11BIOLOGY $400: This heart valve is named for its three flaps, or cusps the tricuspid valve
#1534, aired 1991-04-11BIOLOGY $600 (Daily Double): When blood does this, fibrinogen is converted to fibrin clot
#1534, aired 1991-04-11BIOLOGY $600: Light entering the eye is partially refracted by this membrane before reaching the lens the cornea
#1496, aired 1991-02-18BIOLOGY $100: Rodents don't have these teeth, also called eyeteeth, but humans & dogs do canines
#1496, aired 1991-02-18BIOLOGY $200: Thousands of ommatidia make 1 of the "compound" type of this sense organ an eye
#1496, aired 1991-02-18BIOLOGY $300: These threadlike structures in the nuclei of cells carry the genes chromosomes (**chromatids)
#1496, aired 1991-02-18BIOLOGY $400 (Daily Double): Geotropism is the directional growth movement of plants in response to this force gravity
#1496, aired 1991-02-18BIOLOGY $500: The rumen is the first compartment of this organ in a cow the stomach
#1492, aired 1991-02-12THE ENVIRONMENT $800: The branch of biology concerning the relationship living things have to each other & the environment ecology
#1488, aired 1991-02-06MARINE BIOLOGY $200: These mollusks have hearts but no brains, maybe that explains why they're supposed to be happy clams
#1488, aired 1991-02-06MARINE BIOLOGY $400: When it passes out of the megalops stage, a crab tucks this in under its body its tail
#1488, aired 1991-02-06MARINE BIOLOGY $600: This 10-armed creature can travel really fast, but not forward, backward a squid
#1488, aired 1991-02-06MARINE BIOLOGY $800: These fish were named for the lancet-like spines they use to slash, not operate surgeonfish
#1488, aired 1991-02-06MARINE BIOLOGY $1000: Birds & small fish eat these shrimp-like creatures one at a time, whales by the thousands krill
#1484, aired 1991-01-31BIOLOGY $200: The 2 coronary arteries supply oxygenated blood to this organ the heart
#1484, aired 1991-01-31BIOLOGY $400: An aerobe can live only in an environment where this element is present in free form oxygen
#1484, aired 1991-01-31BIOLOGY $600: To neutralize antigens, the body forms these proteins that also begin with "anti" antibodies
#1484, aired 1991-01-31BIOLOGY $1,000 (Daily Double): The middle ear contains the hammer, anvil & this, the smallest bone in the human body the stirrup (or stapes)
#1484, aired 1991-01-31BIOLOGY $1000: The 24-hour cycle of metabolic activities in plants & animals is this type of rhythm diurnal (or circadian)
#1455, aired 1990-12-21BIOLOGY $100: Some birds still have the gene that would allow these to grow in their beaks teeth
#1455, aired 1990-12-21BIOLOGY $200: A millipede has this many antennae two
#1455, aired 1990-12-21BIOLOGY $300: This 3-letter suffix denotes a carbohydrate, especially a sugar -ose
#1455, aired 1990-12-21BIOLOGY $400: As opposed to vitamins B1 & C, which are water soluble, A & E are usually soluble only in this fat
#1455, aired 1990-12-21BIOLOGY $600 (Daily Double): In addition to making penicillin, species of penicillium are used to ripen & flavor these cheese
#1449, aired 1990-12-13BIOLOGY $200: Plants are green because this substance absorbs blue-violet & red light chlorophyll
#1449, aired 1990-12-13BIOLOGY $400: This firm & flexible skeletal material is also called gristle cartilage
#1449, aired 1990-12-13BIOLOGY $800: Valine, tryptophan & lysine are three of the "essential" types of these acids amino acids
#1449, aired 1990-12-13BIOLOGY $1000: Term for the part of the Earth & its atmosphere inhabited by living things the biosphere
#1449, aired 1990-12-13BIOLOGY $1,300 (Daily Double): Class of glands also called ductless glands since they have no opening to the exterior the endocrine glands
#1430, aired 1990-11-16GENERAL SCIENCE $400: It's the branch of biology dealing with heredity; everybody into the pool! genetics
#1400, aired 1990-10-05BIOLOGY $1000: The ripened ovary of a flower, it can be true, false, simple, aggregate or multiple fruit
#1388, aired 1990-09-19BIOLOGY $200: This plant process removes an estimated 100 billion tons of carbon from the atmosphere each year photosynthesis
#1388, aired 1990-09-19BIOLOGY $400: Used in varnish & oil paints this oil is extracted from the seeds of flax linseed
#1388, aired 1990-09-19BIOLOGY $600: It's a tough band of fibrous connective tissue that unites a muscle to a bone a tendon
#1388, aired 1990-09-19BIOLOGY $800: On a lump of food's merry trip through the digestive tract, the next place it goes after the stomach the small intestine
#1388, aired 1990-09-19BIOLOGY $1000: Because of its short 10-day life cycle this fly is used in genetic research Drosophila melanogaster
#1381, aired 1990-09-10SCIENCE $600: In biology, the beats of the heart; in botony, the seeds of a pea pulses
#1376, aired 1990-09-03BIOLOGY $200: The hypoglossal nerve controls its many movements, including wagging the tongue
#1376, aired 1990-09-03BIOLOGY $600: It mitosis 1 cell becomes 2; in meiosis a single cell produce this many daughter cells 4
#1376, aired 1990-09-03BIOLOGY $800: Protozoans living in a termite's gut break down this substance in the wood the termite eats cellulose
#1376, aired 1990-09-03BIOLOGY $1,000 (Daily Double): On land this class of vertebrates can absorb oxygen through the skin, provided it's moist amphibians
#1376, aired 1990-09-03BIOLOGY $1000: A healthy red blood cell in your body has about 300 mil. of these oxygen-carrying molecules hemoglobin
#3, aired 1990-06-30BIOLOGY $200: Class of animals so named because they have an aquatic larval stage & terrestrial adult lives amphibians
#3, aired 1990-06-30BIOLOGY $400: The development of this part of the egg contributed to the evolution of life on land the shell
#3, aired 1990-06-30BIOLOGY $600: In the lab, you put something in an autoclave to do this to it sterilize it
#3, aired 1990-06-30BIOLOGY $800: In humans it separates the thoracic cavity from the abdominal cavity the diaphragm
#3, aired 1990-06-30BIOLOGY $1000: The Savi's pygmy variety of this animal is said to be the world's smallest mammal the shrew
#1326, aired 1990-05-14BIOLOGY $200: Of all mammals, this one takes longest to mature Man (humans)
#1326, aired 1990-05-14BIOLOGY $400: The human body's largest bone Femur
#1326, aired 1990-05-14BIOLOGY $800: Light-sensitive layer of nerve tissue covering the back 2/3 of the eyeball, it's an extension of the brain Retina
#1326, aired 1990-05-14BIOLOGY $1,000 (Daily Double): In 1956 scientists determined a normal human cell has this many chromosomes 46
#1326, aired 1990-05-14BIOLOGY $1000: This Swedish botanist, known for his system of classification, was the first to note that whales are mammals Carl Linnaeus
#1314, aired 1990-04-26BIOLOGY $100: Of a neap tide, peptide or ebb tide, the one made up of amino acids a peptide
#1314, aired 1990-04-26BIOLOGY $200: The size of this cell in human females is 1 millimeter; in an ostrich, about 15 centimeters an egg cell
#1314, aired 1990-04-26BIOLOGY $300: The feather-leafed varieties of this tree include the king & the royal palm trees
#1314, aired 1990-04-26BIOLOGY $400: As seen in fossilized tracks, the rhipidistians were the first fish known to do this walk on land
#1314, aired 1990-04-26BIOLOGY $500: Your parotid, sublingual & submaxillary glands supply this fluid saliva
#1302, aired 1990-04-10AUTHORS $800: An eye ailment contracted at Eton School ended his plans to study biology, like his brother Julian Aldous Huxley
#1285, aired 1990-03-16BIOLOGY $200: This 1-celled protozoan gets its name from a Greek word meaning "change" the amoeba
#1285, aired 1990-03-16BIOLOGY $400: Because there are no blood vessels in this layer of skin, nutrition is supplied by a tissue fluid the epidermis
#1285, aired 1990-03-16BIOLOGY $800: It's the classification above species, but below family genus
#1285, aired 1990-03-16BIOLOGY $1000: The system of giving 2 scientific names to all organisms was devised by this Swedish naturalist (Carl) Linnaeus
#1285, aired 1990-03-16BIOLOGY $1,600 (Daily Double): The opposite of ventral; this term refers to the back region of animals dorsal
#1263, aired 1990-02-14MARINE BIOLOGY $100: The sea horse has a prominent pair of these which can move independently of each other Eyes
#1263, aired 1990-02-14MARINE BIOLOGY $400: Benthic animals are the ones which live in this part of the ocean, the benthos the bottom
#1263, aired 1990-02-14MARINE BIOLOGY $500: These animals are the only pinnipeds with tusks walruses
#1257, aired 1990-02-06BIOLOGY $200: The world's first antibiotic; it was discovered in 1929 Penicillin
#1257, aired 1990-02-06BIOLOGY $600: In this process 8 photons of light break down 2 H2O molecules to yield an O2 molecule Photosynthesis
#1257, aired 1990-02-06BIOLOGY $800 (Daily Double): When Lazzaro Spallanzani blinded them, they still flew; when he plugged their ears, they were disoriented Bats
#1257, aired 1990-02-06BIOLOGY $800: To figure out its structure, Watson & Crick used the scientific equivalent of Tinker Toys DNA
#1257, aired 1990-02-06BIOLOGY $1000: Similar species are grouped into genera; similar genera into these Families
#1238, aired 1990-01-10BIOLOGY $100: Term for an organism that harbors a parasite host
#1238, aired 1990-01-10BIOLOGY $200: Some birds have patella bones, commonly called this in humans kneecaps
#1238, aired 1990-01-10BIOLOGY $300: Adjective used to describe your 1st set of teeth & plants that shed their leaves seasonally deciduous
#1238, aired 1990-01-10BIOLOGY $400: Oxygenated hemoglobin is this color red
#1231, aired 1990-01-01BIOLOGY $200: The 1st section of the cell to divide, it does it by mitosis, meiosis, or rarely, amitosis the nucleus
#1231, aired 1990-01-01BIOLOGY $400: Term for just one of the bones in your spinal column vertebra
#1231, aired 1990-01-01BIOLOGY $600: If you're looking for a nectary, it's part of one of these a flower
#1231, aired 1990-01-01BIOLOGY $800: A fat that's liquid at room temperature is called this an oil (an unsaturated fat)
#1231, aired 1990-01-01BIOLOGY $1000: German physician who discovered those little islets in the pancreas (Paul) Langerhans
#1198, aired 1989-11-15FAMOUS EDUCATORS $400: In 1925 this Dayton, Tenn. biology teacher was arrested for teaching evolution in his class John Scopes
#1188, aired 1989-11-01STARTS WITH "Z" $200: The 2 major divisions of biology are botany & this zoology
#1185, aired 1989-10-27BIOLOGY $100: For an adult elephant it can be up to 1 1/2" thick & weigh about a ton yet can be pierced by an insect the skin
#1185, aired 1989-10-27BIOLOGY $200: Dizygotic twins are more commonly known by this brotherly name fraternal twins
#1185, aired 1989-10-27BIOLOGY $300: The fruit of the dandelion is designed to be dispersed by the wind & the fruit of the coconut by this the sea (or ocean current)
#1185, aired 1989-10-27BIOLOGY $400: Euglenas are microscopic organisms scientists classify in both of these groups animals & plants
#1185, aired 1989-10-27BIOLOGY $500: They're your smallest blood transport tubes & in some the red cells have to go through single file capillaries
#1117, aired 1989-06-13BIOLOGY $200: The female Anopheles mosquito spreads malaria, & the female Aedes mosquito, this fever yellow fever
#1117, aired 1989-06-13BIOLOGY $400: Pulmonary is an adjective meaning "of this" organ the lungs
#1117, aired 1989-06-13BIOLOGY $600: In humans, sounds are produced in the larynx, while these creatures produce them in the syrinx birds
#1117, aired 1989-06-13BIOLOGY $800: Unlike other organisms, drone honey bees hatch without this ever having been done to the eggs fertilized
#1117, aired 1989-06-13BIOLOGY $1000: Facts on File calls this irregular-shaped single-celled organism the best known of the protozoa the amoeba
#1096, aired 1989-05-15BIOLOGY $200: The only mammals capable of unassisted flight bats
#1096, aired 1989-05-15BIOLOGY $400: The basic cell of the nervous system the neuron
#1096, aired 1989-05-15BIOLOGY $600: Petruchio might be embarrassed to learn these are among the smallest mammals shrews
#1096, aired 1989-05-15BIOLOGY $1000: Hairy cap, stair-step & granite are varieties of these most primitive green land plants mosses
#1096, aired 1989-05-15BIOLOGY $1,500 (Daily Double): The prefix "hepat-", as in hepatitis, refers to this organ the liver
#1061, aired 1989-03-27TV GUIDE SAYS $300: "Horshack's refusal to dissect frogs may make him fail biology." Welcome Back, Kotter
#1060, aired 1989-03-24BIOLOGY $200: Type 1 diabetes results when the body can't produce enough of this to process nutrients insulin
#1060, aired 1989-03-24BIOLOGY $400: Since it came to the U.S. in the '30s, this disease has killed almost half the elms in the U.S. Dutch elm disease
#1060, aired 1989-03-24BIOLOGY $600: They're the tissues that connect bones to bones ligaments
#1027, aired 1989-02-07MARINE BIOLOGY $200: Most of the trained ones which perform in aquariums are the bottle--nosed species dolphins
#1027, aired 1989-02-07MARINE BIOLOGY $400: If you don't know this other name for the nacre inside an oyster shell, ask your mom mother of pearl
#1027, aired 1989-02-07MARINE BIOLOGY $600: Weighing up to 500 lbs., the "giant" variety of this is the world's largest living bivalve a clam
#1027, aired 1989-02-07MARINE BIOLOGY $800: These creatures can be snipe, snake or conger eels
#1027, aired 1989-02-07MARINE BIOLOGY $1000: Named for their appearance, mushroom & brain are types of these with stony skeletons coral
#1018, aired 1989-01-25BIOLOGY $200: Flowers with both stamens & carpels are bisexual, plants with them on separate flowers are this unisexual
#1018, aired 1989-01-25BIOLOGY $400: The amniotic sac is filled with fluid to cushion this, protecting it from damage fetus
#1018, aired 1989-01-25BIOLOGY $600: This part of the alimentary canal has the fortitude to absorb the products of digestion small intestine
#1018, aired 1989-01-25BIOLOGY $800: This "system" helps you by killing viruses & hurts you when it rejects transplants immune
#1018, aired 1989-01-25BIOLOGY $1000: The gastric pits in your stomach contain oxyntic cells that secrete this acid hydrochloric acid
#1017, aired 1989-01-24"F" IN BIOLOGY $200: The substance used to preserve the frogs that are dissected in biology class formaldehyde
#1017, aired 1989-01-24"F" IN BIOLOGY $400: The fennec is the smallest of these animals, the common red is best known fox
#1017, aired 1989-01-24"F" IN BIOLOGY $600: The union of 2 gametes to form a zygote fertilization
#1017, aired 1989-01-24"F" IN BIOLOGY $800: By definition, a substance capable of killing a non-green plant such as mold or mildew fungicide
#1017, aired 1989-01-24"F" IN BIOLOGY $1000: The 2 leg bones that fit the category femur & fibula
#1008, aired 1989-01-11BIOLOGY $200: The eggs of the sea spider are carried on these appendages of the male his legs
#1008, aired 1989-01-11BIOLOGY $400: The more common term for a crustacean's exoskeleton the shell
#1008, aired 1989-01-11BIOLOGY $600: The Komodo dragon is the largest member of this sub-order of reptiles lizards
#1008, aired 1989-01-11BIOLOGY $800: His discovery of the basic laws of genetics went unnoticed for 34 years Gregor Mendel
#1008, aired 1989-01-11BIOLOGY $1000: With names often ending in "ase", these catalysts can speed up chemical reactions millions of times enzymes
#986, aired 1988-12-12SCIENCE $600: In biology it's cells splitting & making identical offspring, but in physics, it's nuclei splitting, making energy fission
#947, aired 1988-10-18BIOLOGY $100: The action of these organisms on sugar produces alcohol & CO2, as brewers well know yeasts
#947, aired 1988-10-18BIOLOGY $200: Your masseter muscle closes these mouth (jaw)
#947, aired 1988-10-18BIOLOGY $300: It connects the placenta & embryo in humans, usually for 9 months umbilical cord
#947, aired 1988-10-18BIOLOGY $400: A clam shell has 3 layers: the horny outer layer, the prismatic layer & one described as this pearly, mother of pearl or nacre
#947, aired 1988-10-18BIOLOGY $500: While "carpal" refers to bones in your body, a carpel is a reproductive organ in one of these flower
#900, aired 1988-07-01BIOLOGY $200: Insects are dipterous if they have 2 of these wings
#900, aired 1988-07-01BIOLOGY $400: Agar, which swells in water to form a gel, or, in another sense, Wrigley's gum
#900, aired 1988-07-01BIOLOGY $600: Organic rusts are members of this plant group a fungus
#900, aired 1988-07-01BIOLOGY $800: Among animals, this outer layer of cells, such as skin, generally insures that the body is waterproof the epidermis
#889, aired 1988-06-16BIOLOGY $200: The species "rhizobium" of these micro-organisms plays an important role in nitrogen fixation in plants bacteria
#889, aired 1988-06-16BIOLOGY $400: The part of a cell where chromosomes are found nucleus
#889, aired 1988-06-16BIOLOGY $600: Calcite crystals form this, the iridescent lining of nautilus shells mother-of-pearl
#889, aired 1988-06-16BIOLOGY $800: The term for a parasite's "meal ticket" host
#889, aired 1988-06-16BIOLOGY $4,800 (Daily Double): The standard divisions in biological classification, remembered by the initials "KPCOFGS" kingdom, phylum, class, order, family, genus, species
#880, aired 1988-06-03BIOLOGY $100: It's generally the last vestige of the tadpole stage that a frog loses tail
#880, aired 1988-06-03BIOLOGY $200: Fleischmann's says one ounce of this carbon dioxide-making substance contains about 280 billion cells yeast
#880, aired 1988-06-03BIOLOGY $300: Most animals other than birds or mammals are poikilothermic, commonly referred to as this cold-blooded
#880, aired 1988-06-03BIOLOGY $400: As the middle Paleozoic era is called the age of fishes, the Mesozoic era is known as this age of reptiles
#880, aired 1988-06-03BIOLOGY $500: Term for the transference of microspores of seed plants from anther to stigma pollination
#872, aired 1988-05-241987 $300: 16-year-old Jenifer Graham's refusal to do this in biology class made headlines dissect a frog
#867, aired 1988-05-17BIOLOGY $200: They're the respiratory organs of a lobster gills
#867, aired 1988-05-17BIOLOGY $400: An undeveloped shoot, an unopened flower, or Billy Gray on "Father Knows Best" bud
#867, aired 1988-05-17BIOLOGY $600: Of light, oxygen, or moisture, the one most plant seeds don't need in order to germinate light
#867, aired 1988-05-17BIOLOGY $800: The blink, knee jerk, & sneeze are all inborn examples of this response a reflex
#867, aired 1988-05-17BIOLOGY $1000: The 1-word term for the technique of pressing the venom of a snake into a collection vessel milking (extraction)
#857, aired 1988-05-03BIOLOGY $100: In mammals, it's a muscular, pulsatile pump with valves the heart
#857, aired 1988-05-03BIOLOGY $200: Number of daughter cells a single cell produces after its first act of standard mitosis 2
#857, aired 1988-05-03BIOLOGY $300: The conditioned reflex was first demonstrated in this scientist's experiment Pavlov
#857, aired 1988-05-03BIOLOGY $400: Referring to a kind of limb found on reptiles & birds, pentadactyl means this five-toed (or five-fingered)
#857, aired 1988-05-03BIOLOGY $500: Endoderm, the stuff that forms your gut lining, also forms the sac in an egg that holds this the yolk
#845, aired 1988-04-15BIOLOGY $100: Exobiology is the scientific search for life here outer space
#845, aired 1988-04-15BIOLOGY $200: The center of one of these bivalve gems might not be sand but an encysted parasitic worm a pearl
#845, aired 1988-04-15BIOLOGY $300: These male bees have no useful function around the hive except for mating with the queen a drone
#845, aired 1988-04-15BIOLOGY $400: Human skin has 5 types of stimuli receptors--touch, pressure, pain, & this pair heat & cold
#845, aired 1988-04-15BIOLOGY $500: Working in Northern California, he developed the Shasta daisy Luther Burbank
#808, aired 1988-02-24BIOLOGY $100: Total number of ventricles in a mammal's heart 2
#808, aired 1988-02-24BIOLOGY $200: Order that contains the flesh-eating mammals Carnivorae
#808, aired 1988-02-24BIOLOGY $300: In humans, the cochlea contains the organ of this sense hearing
#808, aired 1988-02-24BIOLOGY $400: As its name implies, the main use of an insect's ovipositor laying an egg
#808, aired 1988-02-24BIOLOGY $500: Types of these, like ornitthine, link up to form proteins amino acids
#798, aired 1988-02-10BIOLOGY $100: One difference between moths & butterflies is that moths hold these horizontally while at rest their wings
#798, aired 1988-02-10BIOLOGY $200: Fecundity is the biological capacity of an organism to produce these offspring
#798, aired 1988-02-10BIOLOGY $300: The fin used as the chief means of locomotion for a fish tail fin
#798, aired 1988-02-10BIOLOGY $400: Term used when a mass of bees leaves a hive with a queen to form a new colony swarm
#798, aired 1988-02-10BIOLOGY $500: (The) Enzyme production of a cell is controlled by these parts of a chromosome genes
#792, aired 1988-02-02BIOLOGY $200: Of XX, XY or YY, chromosome pair that makes a man out of you XY
#792, aired 1988-02-02BIOLOGY $400: It's what an amoeba uses its pseudopods for to move/locomotion
#792, aired 1988-02-02BIOLOGY $600: They're the respiratory organs of the turtle lungs
#792, aired 1988-02-02BIOLOGY $800: Term for the central hole in the iris of most vertebrates pupil
#792, aired 1988-02-02BIOLOGY $1000: From the Norman French meaning to shed roe, it's the process of egg laying by fish spawning
#783, aired 1988-01-20MARINE BIOLOGY $200: A lobster grows a new soft shell under the old hard one before dong this, which takes about 15 minutes shedding its shell (molting)
#783, aired 1988-01-20MARINE BIOLOGY $400: Biologists call the jellyfish by this name, perhaps because it's as gruesome as a Gorgon a medusa
#783, aired 1988-01-20MARINE BIOLOGY $600: This enormous man-eater is also known as the white pointer a (great white) shark
#783, aired 1988-01-20MARINE BIOLOGY $800: The elongated body part for which this fish is named can penetrate whales & even boats a swordfish
#777, aired 1988-01-12LIFE SCIENCE $500: It's the branch of biology dealing with heredity genetics
#736, aired 1987-11-16BIOLOGY $100: Mycology is the branch of biology that studies mushrooms, yeasts, molds, and other types of these fungi
#736, aired 1987-11-16BIOLOGY $200: Fibrinogen is a protein material that helps the blood in doing this clotting
#736, aired 1987-11-16BIOLOGY $300: Common term for a female gamete egg
#736, aired 1987-11-16BIOLOGY $400: People usually refer to adipose tissue as this fat
#736, aired 1987-11-16BIOLOGY $500: In any vertebrate, the occiput is the posterior part of this the skull
#724, aired 1987-10-29BIOLOGY $200: The influence of this force makes most plant roots grow toward the center of the earth gravity
#724, aired 1987-10-29BIOLOGY $400: Male mole crickets shape the entrances of these to amplify their songs, which can be heard a mile away burrows
#724, aired 1987-10-29BIOLOGY $600: The male sea horse carries eggs in a pouch, where they absorb food from this liquid the blood
#724, aired 1987-10-29BIOLOGY $800: From Greek for "change", these fluid 1-celled creatures can grow bigger than the head of a pin amoebas
#724, aired 1987-10-29BIOLOGY $1000: Literally the "life" sphere, it's the part of the earth & its atmosphere inhabited by all living organisms biosphere
#716, aired 1987-10-1910-LETTER WORDS $400: A device useful to biology students who want to sneak a peek at a paramecium microscope
#712, aired 1987-10-13BIOLOGY $200: This name for a group of one-celled animals is from the Greek for "first animals" protozoa
#712, aired 1987-10-13BIOLOGY $300 (Daily Double): A single human sperm or egg cell contains this many chromosomes 23
#712, aired 1987-10-13BIOLOGY $400: It's from bearing these that conifers get their name cones
#712, aired 1987-10-13BIOLOGY $600: Heliotropism is the ability of leaves & stems of plants to grow towards this sun
#712, aired 1987-10-13BIOLOGY $800: Common term for the entire internal process of simplifying food & making it assimilable digestion
#705, aired 1987-10-02MARINE BIOLOGY $200: "Baleen" from whales was better known as this when used as corset stays whalebone
#705, aired 1987-10-02MARINE BIOLOGY $400: Term for limbs of aquatic mammals or birds which have become adapted for swimming flippers
#705, aired 1987-10-02MARINE BIOLOGY $600: To biologists, a "whelk" is not a "wunnerful, wunnerful" bandleader but a type of this univalve mollusk (snail)
#705, aired 1987-10-02MARINE BIOLOGY $800: Though this savage species can be 60 feet long, their brains are rarely over 6 inches shark
#705, aired 1987-10-02MARINE BIOLOGY $1000: The only mammals known to use tools while foraging are primates & these "playful" marine weasels sea otters
#702, aired 1987-09-29BIOLOGY $200: The only female deer with antlers are of this species, Santa's favorite reindeer
#702, aired 1987-09-29BIOLOGY $400: Bitter-tasting natural pesticides called limonoids are found in seeds, rinds & juice of this fruit group citrus
#702, aired 1987-09-29BIOLOGY $700 (Daily Double): Gamete, zygote & oogenesis are terms associated with this life-cycle process reproduction
#702, aired 1987-09-29BIOLOGY $800: It's hereditary material in the form of 2 coiled polynucleotide chains that form a double helix DNA (deoxyribonucleic acid)
#702, aired 1987-09-29BIOLOGY $1000: Except for the nucleus, this semifluid makes up most of a cell cytoplasm
#686, aired 1987-09-07BIOLOGY $200: Distinguishing color of chlorophyta, 1 of 3 major groups of algae green
#686, aired 1987-09-07BIOLOGY $400: A chromosome map identifies these units & what part of the organism they control genes
#686, aired 1987-09-07BIOLOGY $600: This book published in 1859 applied theory of natural selection to plant evolution, too The Origin of the Species
#686, aired 1987-09-07BIOLOGY $800: Term for the "message" conducting along a nerve fiber, it's also a type of Isuzu an impulse
#686, aired 1987-09-07BIOLOGY $1000: From New Latin for "in glass", it describes fertilization which took place in a test tube in vitro
#666, aired 1987-06-29MARINE BIOLOGY $100: In the male octopus, 1 of the 8 appendages functions as a sexual organ the tentacle
#666, aired 1987-06-29MARINE BIOLOGY $200: Despite its name, this huge mammal doesn't have a hump on its back the humpback whale
#666, aired 1987-06-29MARINE BIOLOGY $300: When bivalves get scared, they pull these shut until the danger has passed their shells
#666, aired 1987-06-29MARINE BIOLOGY $400: The part of a cuttlefish you'll find in a birdcage is called this the cuttlebone
#666, aired 1987-06-29MARINE BIOLOGY $500: A whole colony of poisonous polyps hangs from the float of this colorful stinging creature Portuguese man o' war
#655, aired 1987-06-12BIOLOGY $200: It's what gives our nose its shape & sharks their skeletal form cartilage
#655, aired 1987-06-12BIOLOGY $400: The opposite of ventral, it refers to something situated on the back dorsal
#655, aired 1987-06-12BIOLOGY $600: Name for the store of food material in the form of protein & fat granules found in most eggs yolks
#655, aired 1987-06-12BIOLOGY $800: Milky juice found in dandelions & lettuce, one form of it is used to make rubber latex
#655, aired 1987-06-12BIOLOGY $1000: The outermost skin layer of a plant, animal, or even you epidermis
#653, aired 1987-06-10SCIENCE $100: It's the combined sciences of botany & zoology biology
#616, aired 1987-04-20MARINE BIOLOGY $200: North American eels migrate to the Sargasso sea to do this; then they die Reproduce (spawn)
#616, aired 1987-04-20MARINE BIOLOGY $400: Because its pigment bags connect with its nervous system, an excited octopus changes this color
#616, aired 1987-04-20MARINE BIOLOGY $600: Of about 500, 500 thousand or 500 million, # of newborns per oyster per year 500 million
#616, aired 1987-04-20MARINE BIOLOGY $800: For most sharks, the oil found in this large organ helps keep them from sinking liver
#599, aired 1987-03-26BIOLOGY $200: While cows got hide, pigs got this skin
#599, aired 1987-03-26BIOLOGY $400: The 2 methods of this are called "asexual" & "sexual" reproduction
#599, aired 1987-03-26BIOLOGY $600: Of an apple, a cherry or an orange, one which is classified as a drupe a cherry
#599, aired 1987-03-26BIOLOGY $800: When fully grown, these creatures have small appendages called "spinnerets" spiders
#599, aired 1987-03-26BIOLOGY $1000: Term for the food bearing liquid found in plants or trees sap
#574, aired 1987-02-19MARINE BIOLOGY $200: The World Book says that at birth, all Pandalid shrimp are this sex male
#574, aired 1987-02-19MARINE BIOLOGY $400: Among dead animals, this is the one most commonly used for back scrubbing sponge
#574, aired 1987-02-19MARINE BIOLOGY $600: Number of eyelids a catfish has none
#574, aired 1987-02-19MARINE BIOLOGY $800: The striped parrotfish tucks itself into a blanket of slime before doing this sleeping
#574, aired 1987-02-19MARINE BIOLOGY $1000: The blue-green variety of this 1st appeared in the ocean at least a billion years ago algae
#568, aired 1987-02-11MARINE BIOLOGY $200: Some filefish can chew in their throats, since they have these located there their teeth
#568, aired 1987-02-11MARINE BIOLOGY $400: Time-Life says only about 1 in 10 million sea creatures escapes this fate being eaten
#568, aired 1987-02-11MARINE BIOLOGY $600: Barnacles were once thought to be generated spontaneously from these parts of sea birds feathers
#542, aired 1987-01-06BIOLOGY $200: They protect larvae during the pupal stage & were protected by B. Dennehy in a R. Howard film cocoon
#542, aired 1987-01-06BIOLOGY $600: Fluid that's left when you remove all the corpuscles from the blood plasma
#542, aired 1987-01-06BIOLOGY $800: It's contained in the anther sacs of a stamen pollen
#542, aired 1987-01-06BIOLOGY $1,000 (Daily Double): Rheas, emus, & cassowaries are classified as ratites because they can't do this fly
#542, aired 1987-01-06BIOLOGY $1000: Discounting Clairol, the color of human hair is mainly due to this dark pigment melanin
#527, aired 1986-12-16BIOLOGY $100: Animals in the class "Aves" are commonly called this birds

Final Jeopardy! Round clues (4 results returned)

#4564, aired 2004-06-10ENTERTAINMENT: This title character who debuted in 1999 was created by former marine biology educator Steve Hillenburg SpongeBob SquarePants
#2405, aired 1995-02-03BIOLOGY: In humans the red hemoglobin contains iron; in mollusks the blue hemocyanin contains this metal copper
#308, aired 1985-11-13BIOLOGY: Of the 4, blood group of the universal recipient AB
#163, aired 1985-04-24ROYALTY: Queen Elizabeth II's father, he became this king when his brother abdicated the throne George VI

Players (51 results returned)

Nick Yozamp, a junior from Washington University in St. Louis 2010 Tournament of Champions wildcard semifinalist: $10,000. 2010-A College Championship winner:...
Elissa Hoffman, a high school biology and anatomy & physiology teacher from Appleton, Wisconsin "She is in her lucky 13th year of teaching. From Appleton,...
Marika Kuspa, a graduate student of biology from South Bend, Indiana Season 30 player (2014-01-09).
Todd Ryan, a biology student from Jacksonville, Florida Season 26 player (2009-12-03).
Zach Safford, a senior from Williams College "His early interest in cryptozoology has been replaced by a history...
Eesha Sohail, a UCLA graduate from Bakersfield, California \"In the 2019 Teen Tournament, she claimed a spot in the...
Casey terHorst, a biology professor from Pasadena, California Season 37 player (2020-10-27).
Alison Purcell, a senior at the University of Texas at Austin from Bellaire, Texas "She originally competed as a high school senior from Bellaire, Texas....
Brittany Franckowiak, a high school biology teacher from Laurel, Maryland Season 33 player (2017-06-23).
Isaac Applebaum, a junior at Stanford University in Palo Alto, California 2023 Champions Wildcard quarterfinalist: $5,000. 2022 National College Championship 3rd runner-up...
Isaac Applebaum, a corporate development analyst from Mountain View, California 2023 Champions Wildcard quarterfinalist: $5,000. 2022 National College Championship 3rd runner-up...
Kellie Chan, a graduate student of biology from Chuluota, Florida Season 30 player (2013-09-20).
Nadège Aoki, a marine biology graduate student from Cambridge, Massachusetts Season 38 player (2022-03-23). Name pronounced like "nah-DEHZH ah-OH-kee".
Tamara Tatum-Broughton, an assistant professor of biology from Washington, D.C. Season 28 player (2012-04-03).
Erin Haramoto, a lab instructor from Sunderland, Massachusetts Season 25 player (2008-11-26).
Nathaniel Barnes, a composer and bartender from Toronto, Ontario, Canada Season 25 3-time champion: $57,300 + $2,000. In his first game,...
Aniket Dehadrai, a senior at M.I.T. in Cambridge, Massachusetts 2022 National College Championship quarterfinalist: $10,000. Aniket was majoring in chemistry...
Nam Vu, a senior at Georgetown University in Washington, D.C. 2022 National College Championship semifinalist: $20,000. Nam was majoring in environmental...
Jess Agyepong, a senior from Howard University in Washington, D.C. 2022 National College Championship quarterfinalist: $10,000. Jess was majoring in biology....
David Skaar, a research scientist from Raleigh, North Carolina Season 25 3-time champion: $102,000 + $2,000. Jeopardy! Message Board user...
Meg Khavari, a high school biology and religion teacher from Silver Spring, Maryland Season 27 player (2011-03-08).
John Williams, a biology professor from Albany, Georgia Season 38 player (2022-01-25). Not to be confused with 2000-B College...
Brianne Barker, a biology professor from Madison, New Jersey 2023 Champions Wildcard quarterfinalist: $5,000. Season 38 1-time champion: $11,700 + $1,000.
Sally Sommers Smith, a biology professor from Kennebunk, Maine Season 28 player (2012-01-03).
Brianne Barker, a biology professor from Madison, New Jersey 2023 Champions Wildcard quarterfinalist: $5,000. Season 38 1-time champion: $11,700 + $1,000.
Heidi Fogle, a senior from Overland Park, Kansas 2007 Teen Tournament semifinalist: $10,000. 17 at the time of the Teen Tournament.
Claire Sattler, a senior at Yale University from Bonita Springs, Florida \"She won the 2018 Teen Tournament as a senior from Bonita...
Katie Winter, a senior from Tufts University 2008 College Championship quarterfinalist: $5,000. 22 and from Hershey, PA at...
Vinita Kailasanath, a sophomore at Stanford University from Laurel, Maryland 2014 Battle of the Decades invitee: $5,000. 2005 Ultimate Tournament of...
Miles Lake, a biology student from Pasadena, California Season 33 player (2017-06-02).
Coby Klein, a PhD candidate in biology from Huntington, New York Season 33 player (2017-06-01).
Cathy Vrentas, a biology student from State College, Pennsylvania Season 17 player (2001-04-02).
Andrea Yanes, a high school biology teacher from Brookline, Massachusetts Season 18 player (2001-10-09). Name pronounced like "AHN-drey-ah YAHNS."
Beth Cimini, a junior at Boston University from East Longmeadow, Massachusetts 2005 College Championship semifinalist: $10,000. Jeopardy! Message Board user name: BrightStars1212
Asad Jaleel, a student and teacher from Naperville, Illinois Season 20 player (2004-01-19).
Jerod Klein, a biology teacher originally from Fullerton, California Season 14 player (1997-09-19). Appeared in game #3000. (Because of the...
Chris Hernandez, a biology student originally from Wharton, New Jersey Season 25 1-time champion: $23,000 + $2,000.
Ilana Cohen, a grad student in molecular and cell biology from Seattle, Washington Season 26 player (2010-06-10).
Amy Tyszkiewicz, a Ph.D. student in chemical biology from Sayreville, New Jersey Season 26 1-time champion: $14,200 + $2,000. Last name pronounced "tis-KEV-itch".
Tom Toce, an actuary from New York, New York Season 26 2-time champion: $39,200 + $2,000. Last name pronounced like...
Larissa Charnsangavej, a senior from Rice University 2009 College Championship quarterfinalist: $5,000. 21 and from Houston, Texas at...
Nick Yozamp, a biology student from St. Cloud, Minnesota 2010 Tournament of Champions wildcard semifinalist: $10,000. 2010-A College Championship winner:...
Lyndsey Romick, a sophomore from Lewis & Clark College 2010-A College Championship quarterfinalist: $5,000. Hometown: Grants Pass, Oregon. Lyndsey Romick...
Elijah Granet, a 12-year-old from San Diego, California "Because he loves animals, biology, and helping others, he's thinking of...
Ariel Schneider, a biology student from West Lafayette, Indiana Season 27 2-time champion: $46,300 + $2,000.
Elise Burton, a freshman from the University of California-Berkeley 2007 College Championship quarterfinalist: $5,000. 18 at the time of the...
Bernie Cullen, a biology graduate student originally from Dublin, Ireland 2005 Ultimate Tournament of Champions Round 1 player: $5,000. 1996 Tournament...
Elizabeth Borja, a history and biology major from Derwood, Maryland Season 16 player (2000-04-07).
Amory Jendrek, a freshman at Davidson College from Knoxville, Tennessee 2004 College Championship wildcard semifinalist: $10,000.
Jennifer Wu, a high school junior from Arkadelphia, Arkansas "She won the 2004 Teen Tournament at age 15. Now 17,...
Ruvani Fonseka, a junior from Grosse Pointe, Michigan 2005 Teen Tournament wildcard semifinalist: $5,000. 15 at the time of...



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