UT Knoxville ANTH 110 - Pleistocene (2 pages)

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A look at the species that arose during the Pleistocene Epoch

Lecture number:
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University of Tennessee
Anth 110 - Human Origins
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ANTH 110 1nd Edition Lecture 24 Outline of Last Lecture I Tools II Early Homo A Homo rudolfensis and Homo habilis B Pliocene Pleistocene Epoch ii Homo erectus Homo ergaster Outline of Current Lecture I Homo Erectus II Middle Pleistocene A Homo heidelbergensis B Neanderthals Current Lecture I Homo Erectus Came about 2 m y a We associate Homo erectus with the lower Pleistocene 1 8 m y a 780 000 Homo erectus literally means upright man Homo erectus was as large as us and the limb proportions were very similar to us as well Their brains were bigger than austropiths but smaller than ours They are characterized by their very large brow ridges We start to see less body hair with erectus There are many theories as to why we lost body hair 1 less hair means less bugs and 2 less body hair means staying cooler There are different variations of skeletons of erectus from different areas There is intraspecific variation meaning there is variation within the species Erectus was spread across much of the old world so this makes sense These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute II Middle Pleistocene At the tail end of the middle Pleistocene Homo sapiens appear During this time it was colder in the north and drier in the south Africa This of course influenced resources and migration routes There is some European evidence of another species to exist during the middle Pleistocene known as Homo heidelbergensis Neanderthals exist during this time as well There is evidence that species during this time had hearths shelters and spears Tools were progressing A Homo heidelbergensis Considered the pre modern humans of the middle Pleistocene Did not have as defined of a forehead and chin It are these features that defines Homo sapiens A lot of evidence of this species in Spain Primitive traits of H heidelbergensis low forehead low vault large face supreorbital torus Derived traits of H heidelbergensis higher up breadth more vertical nose larger brain thinner vault B Neanderthals Neanderthals appear next Predominantly found in Europe Stockier and bulkier than us It is said that they are cold weather adapted

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