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AN102 2-12-14.docx

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Department
Anthropology
Course
CAS AN 102
Professor
Kevin Langergraber
Semester
Spring

Description
AN102 2­12­14 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? o Grasping hands and feet o Nails instead of claws o Hind limb dominated locomotion o Increased reliance of sight (forward facing eyes­ binocular vision) o Decreased reliance on hearing o Generalized dentition o Long Lifespans o Extensive female parental investment in single offspring o Large brains • Most primates today are in the tropics where it is warm • Major categories of primates o Strepsirrhines  Lemurs, Lorises are two biggest groups  Small body size  More like mammals in general than primates  Claw on one pedal digit  Dog­like snout  Aboreal  Large ears  Nocturnal  Solitary o Haplorrhines  Tarsiers • Only found in old world (Africa, Europe, Asia)  New and old world monkeys  Apes  Humans  No tapetum (tissue that makes eye glow in light)  Some have color vision  Larger brains  Nails instead of claws
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