lec02.1 - f rst associated with a species known as Homo...

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1 Lecture 2 Early Humans and the Prehistoric Record: Human-Plant Interaction The Prehistory of Humans The development of humans from primates is an area of intense study based upon hominid remains, tools, and other artifacts. The earliest evidence is found in Africa and there is f rm evidence that this con- tinent is the source of human evolution (Fig. 2-1). There are remnants (bones and tools) of hominid wanderings to Asia at least 1.7 million years ago, to the Middle East about 1.5 million years ago, and recent evidence shows that Europe was entered about 1.2 million years ago (Fig. 2-2). Thus, tool making dates back to at least 1.7 million years ago and was
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Unformatted text preview: f rst associated with a species known as Homo erectus , with a brain capacity of about 1000 cc. Fig. 2-1. Africa is the source of human evolution. The dates given in this f gure are the generally accepted dates for main migrations but recent evidence indicates initiation considerably earlier as shown in Fig. 2. Source: Time Magazine, Feb. 13, 1995. Fig. 2-2. Hominid fossils and tools date to 1.8 million years ago and there is some evidence of tools in Europe as early as 1.2 million years ago. An explosion of hominid remains appears in Europe about 500,000 years ago. Source: A. Gibbons, Science 291:1722 (March 2, 2001)....
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