posted by Anonymous .
Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.
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3. (Part II of #2): http://www.scribd.com/doc/3048761/How-Do-Natural-Selection-and-Random-Drift-Interact-