Answer:
a. Light moths on light trees.
d. Dark moths on dark trees.
Explanation:
The clear coloration of the moths allows them to mimic in the light trunks that can be of this color or covered with light lichens. Likewise, dark moths mimetize in dark trees, which can be of this color naturally or a cause of the industrial revolution and contamination with hollin. The mimicry allows them to camouflage themselves from theirs predators.
