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4 Cards in this Set
- Front
- Back
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Physiological |
emphasison brainand othervital organs example:Arousal; branchof autonomic nervous system, muscles that erect hairsDrunk hamsters: look at liver (breaking down) |
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Ontogenetic |
describes the development of a structure or behavior example:At what age does the mammalhave hair; ratsare born nakedDrunk hamsters: baby vs. adult, building of tolerance or already tolerant |
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Evolutionary |
focuses upon the evolutionary history of a behavior example:In other critters; widespread in mammalsDrunk hamster: seen in other types of hamsters |
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Functional |
describes why a structure or behavior evolved as it did example: Increases reproductive success or defense; catsmay look bigger with hair erect, porcupine’s quillsDrunk hamster: ferment (cheek pouches) for liking it |
