CAS AN 102 Lecture Notes - Colobinae, Cercopithecinae
14 Mar 2014
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Document Summary
Primates: closest living relative, provide a standard of reference to compare ourselves, comparative behavioral information to use in constructing early human behavior, can help us study sexual dimorphism in early humans, differences between daughter species are because of different adaptations due to sexual pressures, what is a primate, grasping hands and feet, nails instead of claws, hind limb dominated locomotion, increased reliance of sight (forward facing eyes binocular vision, decreased reliance on hearing, generalized dentition, long lifespans, extensive female parental investment in single offspring, large brains, most primates today are in the tropics where it is warm, major categories of primates, strepsirrhines. More complex social systems with extended parental care: tarsier, act like strepsirrhines, purely carnivorous, new world monkeys, uakari, nasal morphology nostrils face toward sides, diet. Suspensory (swing from trees: cebidae cappuchan, atelidae muriqui (similar morphology to chimps, old world monkeys, narrow nostrils that face down, old world have 2 premolars, new have 3, colobinae.
