posted by phoenix university .
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.
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).