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.
In the case of peppered moth (Biston betutaria) the black-coloured form became dominant over the light-coloured form in England during industrial…
NEET UG 2009 — Zoology Evolution
2009mcqmedium
In the case of peppered moth (Biston betutaria) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of
Official previous-year question
Held on 30 Apr 2009 · Verified 9 Jul 2026.
Options
- 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
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