test3part1 - Central and South America 2:1:3:3 dental...

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Laetoli Hominin footprints preserved in volcanic ash in Tanzania Generalized Dentition All teeth appear to be similar in size, shape and appearance Dental Formula Quantity of each type of tooth Human 2:1:2:3 Evolutionary Trends of Teeth Tend to get smaller and fewer Snout reduction Snout reduces occurred due to increased vision proficiency Vision Stereoscopic- Prosimians Primitive, found in Madagascar lemurs, bushbabies, lorises strepsirines also includes tarsiers Tarsier Found in Asia, Europe, and North America haplorines Plesiadapiformes Extinct species-gone by eocene Connection to primates? Quadruped
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Walking on all fours New World Monkey Characteristics
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Unformatted text preview: Central and South America 2:1:3:3 dental pattern usually prehensile tail common arboreal quadruped common flat nose-platrrhine Old World Monkey Characteristics Africa, India, Japan and southeast Asia-most widespread 2:1:2:3 dental pattern ischial callosities (sitting pad) arboreal and terrestrial quadrupeds dominant knuckle walking, Brachiation, bipedalism catarrhine sexual dimorphism Sexual dimorphism When the male of a species is significantly larger than the females Bonding Mother child closeness Grooming Social behavior exhibited by primates...
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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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test3part1 - Central and South America 2:1:3:3 dental...

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