Question

Although most salamanders have four legs, the aquatics salamander shown below resembles an eel. It locks hind limbs and has very tiny forelimbs. propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.

Answer 1

Are legs advantageous for a swimming organism? If not, those mutations with smaller legs will be more likely to survive.

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Answer 2

Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection