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19 Cards in this Set
- Front
- Back
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homology
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traits similar because of common ancestry
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analogy
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similar traits through convergent evolution
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incisors are used for...
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nipping
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canines are used for...
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slashing and shearing
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premolars are used for...
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puncturing; some of them are used for grinding
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molars are used for...
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grinding
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types of suborders
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strepsirhini and haplorhini
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haplorhini
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tarsiers, New World monkeys, Old World monkeys, apes, humans
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tarsiers
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live in SE Asia forest; nocturnal insectivores; most carnivorous primate; often monogamous, have postorbital plate
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platyrrhines
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Central & South American monkeys; some have prehensile tail; more arboreal than OW monkeys; dental formula either 2:1:3:3 or 2:1:3:2; round, sideways oriented nostrils
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cercopithecoidea
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Africa and Asia; generally larger than NW monkeys; narrow nostrils facing downwards; 2:1:2:3 dental formula, bilophodont teeth; broad array of habitats including dry, open settings
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hominoidea
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apes and humans; 2:1:2:3 dental formula w/o bilophondonty; no tails; larger, more complex brains than monkeys; shoulder blade on back; arm easily raised above head
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orangutan and gibbons live in....
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SE Asia
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chimpanzee, bonobo & gorilla live in...
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Africa
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gibbons and siamangs
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smallest apes 6-12 Kg; long arms, curved fingers; brachiate, eat fruit; monogamous with extra pair copulations
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pongo pygmaeus (orangutan)
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50-100 Kg; tend to be solitary; "four-handed" locomotion; frugivorous with some bark, leaves
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gorilla
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100-200 Kg; tend to live in 1 male, multi-female groups; knucklewalk; eat leaves, pith, stalks, fruit; tend to be placid, quiet
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pan troglodytes (chimpanzee)
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40-50 Kg; fission-fusion society w/male bonding; knucklewalk, more time in trees than gorillas; eat fruit, leaves, hunt small mammals
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pan paniscus (bonobo)
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40-50 Kg; fission-fusion society; male and female dominance hierarchies; make love not war; knucklewalk, more time in trees than chimpanzees; eat fruit, leaves, occassionally hunt small mammals
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