In the case of peppered moth (Biston betularia) the black-coloured from became dominant over the light-coloured form in England during industrial revolution. This is an example of

Options

A. natural selection whereby the darker forms ' were selected
B. appearance of the aarker coloured individuals due to very poor sunlight
C. protective mimicry
D. inheritance of darker colour character acquired due to the darker environment

Answer

A

Explanation

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 to the environmental conditions. With so many variations in population 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, i.e. natural selection.