ANTA01H3 Chapter 10-15: chapters 10-15

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14 Dec 2011
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A new kind of hominin: asian homo eructus, african fossils into a separate species called homo ergaster, h. eructus represents a different grade of evolution than their most ancient. African predecessors: grade a grouping of organisms sharing a similar adaptive pattern. Grade isn"t necessarily based on closeness of evolutionary relationship but it does contrast organisms in a useful way (homo erectus with homo sapiens) Body size the nearly complete skeleton of nariokoteme, we know that eructus was larger than earlier hominins: quite sexually dimorphic. If the nariokoteme boy lived to adulthood, he would"ve been over 6 feet. Brain size early homo brains ranged from small 500 to large 800 but h. eructus brains ranged from 700 to 1250. The first homo eructus from africa: the cranial capacity of the olduvai eructus skull is the largest of all the. African eructus specimans: 1. 4 million years ago in olduvai, a large individual, very robust (male?)

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