5 - Three Natural Groups 1) Prosimions (laurus and lemurs)...

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Three Natural Groups 1) Prosimions (laurus and lemurs) 2) Tarsiers 3)Anthropoid-New World monkeys, Old World Monkeys, Apes, Humans Prosimian-most like ancestral -claw used for grooming -dental formula is 2133 -look at skeleton-hind legs longer than forelegs Lemurs are only in Madagascar o Geographic isolation so not much variance Not afraid to come out in the day Some arboreal some terrestrial Eat fruit and insects Moist nose Quadrupeds and vertical climbers and leapers Laurus live in Southern and Eastern Asia o Competition Nocturnal Arboreal
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Eat insects, fruits, slugs Big eyes Snouts are pointed Large, pointed ears Attached upper lip Moist nose Long tails Tarsiers close to monkeys, apes and humans big ears eyes are not moveable, can turn head 180 degrees digits have “suction cups” at point named for large tarsal points in feet (for leaping) o can jump 6 ft or more nocturnal eat insects don’t have rhinarium or dental comb How Anthropoids differ -anthropoids have large body size and brain -reduced dependence on smell
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lack of rhinarium and snout -increased reliance on vision -greater degree of color vision -skeleton-armor to protect eyes -one piece mandible -dentition is less specialized -difference in female reproductive organs
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This note was uploaded on 04/15/2011 for the course ANTHROPOLO 200 taught by Professor V during the Fall '10 term at Saint Louis.

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5 - Three Natural Groups 1) Prosimions (laurus and lemurs)...

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