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Q.

The ancestors of cave-dwelling animals had normal eyesight, but as they lived continuously in darkness, these animals lost the power of vision. This is an example of

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a

artificial selection 

b

use and disuse theory of Lamarck

c

theory of natural selection

d

mutation theory of De Vries  

answer is C.

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Detailed Solution

The ancestors of cave dwellers had normal eye sight but due to living continuously in dark habitat these animals lost the power of vision. This statement signifies Lamarck’s theory of use and disuse.

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