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Posted by on Friday, May 7, 2010 at 10:05pm.

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.

  • environmental science - , Friday, May 7, 2010 at 10:10pm

    From wiki:
    Natural selection is the process by which certain heritable traits—those that make it more likely for an organism to survive and successfully reproduce —become more common in a population over successive generations. It is a key mechanism of evolution.

    So, what are the reasons for having lack of hind limbs and has very tiny forelimbs?

    Survival, most likely.

    So, state a hypothesis which states the limbless salamander evolved because of (definition of natural selection).

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