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Unformatted text preview: developed extensive technology which has several affects on our species. Were currently increasing the human life span, but also depleting our natural resources. We questioned how human evolution will take place in our current environment and came to the conclusion that nature will take its course. We may be developing ways to cure many diseases and fight cancers, but nature is unpredictable and uncontrollable. We can see this in the AIDS virus, for example, because this virus mutates frequently and is presently incurable. To relate this back to the article, the A. afarensis species were a product of a change in gene frequencies and it exhibits mosaic evolution. The sequence of changes is not yet determined, but the hominin may have developed the pelvis for bipedalism before the arms and shoulders evolved, which explains why Selam looks like a tree-dweller as well as a biped....
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This note was uploaded on 04/08/2008 for the course BIOS 120 taught by Professor Cundall during the Fall '06 term at Lehigh University .
- Fall '06