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33 Cards in this Set
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- 3rd side (hint)
Vertebrate whose egg has waterproof membranes that allow it to develop away from water; a reptile, bird or mammal. |
Amniote |
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Animal with an embryo that has a notochord, dorsal nerve chord, pharyngeal slits, and a post-anal tail. |
Chordate |
Example: a lancelet or a vertebrate |
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Internal skeleton made up of hardened components such as bones. |
Endoskeleton |
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Invertebrate chordate that has a fishlike shape and retains the defining chordate traits into adulthood. |
Lancelet |
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Stiff rod of connective tissue that runs the length of the body in chordate larvae or embryos. |
Notochord |
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Vertebrate with four legs, or a descendant thereof. |
Tetrapod |
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Invertebrate chordate that loses most of its defining chordate traits during the transition to adulthood. |
Tunicate |
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Animal with a backbone |
Vertebrate |
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Jawed fish with a skeleton of cartilage, uncovered gills, and interconnected network of sensory cells. |
Cartilaginous fish (Class Chondrichthyes) |
Example: A shark, ray, or skate. |
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Body opening that serves as the exit for digestive waste and urine; also functions in reproduction. |
Cloaca |
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Fish with a skeleton of cartilage, no fins or jaws |
Jawless fish (Class Agnatha) |
Example: a lamprey or hagfish |
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Jawed fish with fleshy fins that contain Bones. Have a swim bladder and covered gills (by operculum) |
Lobe-finned fish (Class Osteichthyes) |
Example: a coelacanth or lungfish |
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Jawed fish with fins supported by thin rays derived from skin; member of most diverse lineage of fishes. |
Ray-finned fish (class osteichthyes) |
Also contains swim bladder and operculum. |
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Tetra pod with scaleless skin; it typically develops in water, then lives on land as a carnivore with lungs. |
Amphibian (Class Amphibia) |
Example: a frog or salamander |
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Group of reptiles that include the ancestors of birds; became extinct at the end of the cretaceous. |
Dinosaur |
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Animals whose body temperature varies with that of its environment. |
Ectotherm |
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Animal that maintains its temperature by adjusting it's production of metabolic heat. |
Endotherm |
Example: a bird or mammal |
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Amniote subgroup that includes lizards, snakes, turtles, crocodilians, and birds. |
Reptile (Class Reptilia) |
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Feathered reptile with a body adapted for flight. |
Bird |
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Animal with hair or fur; females secrete milk from mammary glands. |
Mammal (class mammalia) |
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Mammal in which young are born at an early stage and complete development in a pouch on the mother's surface. |
Marsupial |
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Egg-laying mammal |
Monotreme |
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Mammal in which maternal and embryonic bloodstreams exchange materials by means of a placenta. |
Placental Mammal (Eutherian) |
Long pregnancy-embryo completely develops inside mother. |
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Humanlike primate; monkey, ape or human. |
Anthropoid Primate |
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Common name for a tailess nonhuman primate; a gibbon, orangutan, gorilla, chimpanzee, or bonobo. |
Ape |
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Mammal having grasping hands with nails and a body adapted to climbing. |
Primate |
Example: A lemur, monkey, ape, or human. |
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Habitual upright walking |
Bipedalism |
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Human or an extinct primate species more closely related to humans than to any other primates. |
Hominin |
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Extinct African hominins in the genus Australopithecus; some are considered likely human ancestors. |
Australopith |
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Extinct hominin that arose about 1.8 million years ago in East Africa; migrated out of Africa. |
Homo Erectus |
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Extinct hominin; earliest named Homo species; known only from Africa, where it arose 2.3 million years ago. |
Homo Habilis |
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Extinct hominin; closest known relative of H. Sapiens; lived in Africa, Europe, Asia. |
Homo Neanderthalensis |
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Of placental mammals, organ that forms during pregnancy and allows diffusion of substances between the maternal and embryonic bloodstreams. |
Placenta |
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