studyguide2 - Anthrobio 161 Review Sheet for Midterm 2...

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Anthrobio 161 Review Sheet for Midterm 2 Primate Unique traits: Hand Structure: nails instead of claws; opposable thumbs; finger prints for gripping Types of locomotion: bipedalism: humans; knuckle walking, brachiation, leaping Vision: reduced reliance on smell; stereoscopic vision. Color vision, forward facing eyes Dental patterns: generalized dentition=> heterodonty (varied dentition) -functional significance: Incisors specialized for cutting, canines for grasping, premolars and molars for crushing and grinding (2.1.2.3) Diet: humans: omnivores; chimps: frugivores; gorillas: folivores; Prosimians: insectivores Reproduction: k selection: few offspring; useful for learning behaviors and social roles Care of offspring Hypotheses which account for development of primate unique traits: Arboreal hypothesis states: primates evolved in trees; this would necessitate visual adaptations, depth perception to judge the distance between trees and color vision in order to judge nutritional quality of food. Visual predation hypothesis is that primates already had some
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This note was uploaded on 01/23/2011 for the course ANTHRBIO 364 taught by Professor Frisancho during the Winter '10 term at University of Michigan.

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studyguide2 - Anthrobio 161 Review Sheet for Midterm 2...

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