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Anthropology (1,687)
ANT100Y1 (973)
Shawn Lehman (297)
Lecture

Chapter 6 - Human Evolution.docx

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Department
Anthropology
Course
ANT100Y1
Professor
Shawn Lehman
Semester
Summer

Description
Chapter 6 Human EvolutionFirst HomininsKeywords Hominin Mosaic evolution Bipedalism Relative dating Sagittal crest Nuchal crest Homininmodern humans chimpanzees and fossil species closely related to one another than other living speciesHominin evolution began within the Pliocene epoch of the Cenozoic Era How did hominins evolve over time Underwent Mosaic Evolutioncollection of different hominin features evolving at different rates over time Morphological changes primarily occured in dentition brain size cranialpost cranial and bipedalism Cranial and Dental Morphology Earlier hominins had strong chewing muscles strong mandibles bigger teeth and thin enamels Earlier species of our genus Homo indicate they had thinner jaw globular cranium and smaller teethimplies our species ate softer food overtime Brain Size Increase in brain size overtime Energetically expensive organ consumes 20 of
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