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13 Cards in this Set
- Front
- Back
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what two features do all mammals have?
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hair and mammary glands
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what 3 things do all mammals do?
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breathe air, have 4 chamber hearts, and are endotherms
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how do mammals conserve body heat?
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metabolism, body hair, and subcutaneous fat
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how do mammals cool off?
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sweating
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what are early primates called?
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prosimians
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what do primates have? [3]
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binocular vision, well-developed cerebrum, long fingers and toes, and rotating arms
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what do new world monkeys have?
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prehensile tails
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what are hominoids?
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great apes [chimp, orangutan]
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what makes hominids special?
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bipedel and opposable thumbs
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what species was Lucy?
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australopithecus
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what means 'handy man'?
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homo habilis
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what are 3 groups of living mammals?
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monotremes, marsupials, and placentals
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what is the difference between monotremes and marsupials?
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monotremes- lay eggs
marsupials- bear live young that fully develop in pouch |
