biology

Explain why a person should believe that all life that currently exists on planet earth evolved from a simple, common ancestor through the process of mutation, natural selection, sexual selection and genetic drift.

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  1. Here are some links on human evolution:

    http://search.yahoo.com/search?fr=mcafee&p=why+believe+that+all+life+evolved+from+a+common+ancesto+r

    Sra

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