Depending on the trait and species involved, the rate of evolution can vary grea

Question

Depending on the trait and species involved, the rate of evolution can vary greatly. Peppered moth coloration changed quickly over the 200 years after the start of the Industrial Revolution. However, size increases and color changes in the peacock tail occurred over thousands of years. Which of the following explains the reason for the rapid evolution of peppered moth coloration compared to the evolution of size and color in peacock tail feathers?:

(A) There was a selective disadvantage to increasing the size of peacock tail feathers, which limited its evolution.

(B) There was stronger selection in the case of peppered moths compared to that of peacock tail feathers.

(C) There was disruptive selection in the peppered moth population and stabilizing selection in the peacock population.

(D) The peacocks were in Hardy-Weinberg equilibrium, whereas the peppered moths were not.

Explanation / Answer

(C) There was the disruptive selection in the peppered moth population and stabilizing selection in the peacock population.

As no. of black moths was less so they were favoured by nature and in case of peacock, the males with beautiful feathers were favoured so that they can attract males.

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