A) natural selection whereby the darker forms were selected
B) appearance of the darker coloured individuals due to very poor sunlight
C) protective mimicry
D) inheritance of darker colour character acquired due to the darker environment
Correct Answer: A
Solution :
The given case is an example of natural selection. As a result of struggle for existence only those organisms could survive, which have favourable variations to adapt environmental conditions on with so many variations in populations of species the struggle for existence results in survival of the fittest. The survival of the fittest is the result of selection and proliferation of only those organisms, which were most suitably adapted to the environment and most successful in mating ie, natural selection.
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