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Unformatted text preview: stalked its prey silently of hard ground would have a hard time doing that in soft boggy ground. Also as the area turned from a flooded forest area to the bog any fish inhabiting the area would have had to move upstream or they would have died off. 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. Because they live in water the limbless salamander may have come about because they could move faster without their legs. Salamanders with shorter legs would have been faster and gotten more food and better chance at mating. Also in a water environment being able to swim faster meant you could avoid being something elses dinner....
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This note was uploaded on 06/27/2010 for the course CJS 220 taught by Professor Z during the Spring '10 term at University of Phoenix.
- Spring '10