chemistry 2

HOW TOOLS TRANSFORMED PROTO-HUMANS INTO MODERN HUMANS According to archeological and physical record, tool use has had an enormous effect in the transformation of proto humans into modern humans. What stimulated tool use was the proto humans intrest in new and easier ways to do things. With the introduction of tools, body morphology changed and reproductive fitness increased. Evolution did not happened over night. It took 4.5 million years for humans to get where they are …showed first 75 words of 1028 total…

…showed last 75 words of 1028 total…our bodies? The whole process is amazing and until science gets the whole story, we may never know the whole truth about how tools shaped our lives today. Who would have thought that a 0.1 percent difference in DNA could have made such a change? (Diamond 1992 pg 54) One thing is for sure, without tools evolution would have taken much longer. BIBLIOGRAPHY 1. Haviland, Anthropology Eight Edition. Harcourt Brace, 1997 2.Diamond, Jared The Third Chimpanzee. HarperPerennial. 1992 3. Various Internet sites