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19 Cards in this Set
- Front
- Back
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amniote |
-vertebrate whose egg has waterproof membranes that allow it to develop away from water -ex: reptile, bird, mammal |
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amphibian |
-tetrapod with scale skin -develops in water, then lives on land as a carnivore with lungs -ex: frog, salamander |
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chondrichtyes |
-flexible skeleton made of cartilage to reduce weight |
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chordate |
-animal with an embryo that has a notochord, dorsal nerve cord, pharangeal gill slits, and a tail that extends beyond the anus -lancelet, tunicate, or vertebrate |
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ectothermic |
animal dependent on external sources of body heat |
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endothermic |
dependent on or capable of the internal generation of heat |
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eutherian |
mammal that includes all the placentals and excludes the marsupials and monotremes |
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hominins |
-human or an extinct primate species more closely related to humans than to any other primates -homo sapiens, homo neanderthalensis, homo erectus, homo habilis |
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mammal |
-animal with hair or fur -females secrete milk from mammary glands |
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marsupial |
-mammals where young are born at an early stage and complete development on the mother's puch -kangaroo, koala |
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monotreme |
egg-laying mammals |
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notochord |
-stiff but flexible connective tissue -extends body length and supports it |
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osteichtyes |
-bony fish -swim bladder used to regulate buoyancy |
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placenta |
-mammals where maternal and embryonic bloodstreams exchange materials by means of a placenta -complex placenta to protect and nourish development of young |
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primates |
placental mammals that include humans, apes, monkeys, and their close relatives |
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reptile |
-lizards, snakes, crocs, birds, etc -most nonbird reptiles are ectotherms |
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swim bladder |
gas-filled sac |
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tetrapods |
vertebrate with four legs |
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vertebrate |
animal with a backbone |
