What is the most likely explanation of the data shown below?

Year Dark moths Light moths

50% 50%

599

4196

68%

324

8096

2096

95%

10096 0%

NO

a. There has been a drought in the area that is affecting all life forms.

b. The population of natural predators of the moths has gotten smaller.

c. The moths are living in an environment with light trees.

d. The moths are living in an environment with dark trees.

D) The moths are living in an environment with dark trees.

Option D

Explanation:

The dark colored moths are increasing with time. This clearly indicates that the dark colored moths are able to save themselves from the predators. The predators of moth identify them only by the contrasting color of the moth and its habitat. Moths live on trees. Thus, if dark colored moths are able to survive, they might be living in habitat which could make them untraceable. Hence, it is obvious to say that dark colored moths are living on dark trees. Also the light colored moths are living on dark trees and this is the reason why they are easily identified and killed by the predators.

Thus, option D is correct