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The Third Chimpanzee: the Evolution and Future of the Human Animal Chapter Summary & Analysis - Chapter 2, The Great Leap Forward Summary

This Study Guide consists of approximately 57 pages of chapter summaries, quotes, character analysis, themes, and more - everything you need to sharpen your knowledge of The Third Chimpanzee.
This section contains 781 words
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Chapter 2, The Great Leap Forward Summary and Analysis

Chapter 2 presents a brief overview of human evolution. The author presents a greatly simplified view of the human evolutionary process where numerous uncertain elements are noted but dismissed. This allows a fairly straightforward presentation of human evolution in an intelligible and accessible format. The author states his bias and assumptions for most areas that are presented.

About four millions of years ago the first proto-human hominids began to walk upright; this is known from skeletal limb changes discovered in the fossil record. About three millions of years ago a great division in the human lineage occurred when two species, Australopithecus africanus and A. robustus, arose and survived contemporaneously for many tens of thousands of years. Eventually A. robustus became extinct and A. africanus gave rise to Homo habilis, the first commonly accepted Homo species. From three million...

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This section contains 781 words
(approx. 3 pages at 300 words per page)
Purchase our The Third Chimpanzee: the Evolution and Future of the Human Animal Study Guide
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The Third Chimpanzee: the Evolution and Future of the Human Animal from BookRags and Gale's For Students Series. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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