Many organisms are darker on their dorsal surface and lighter on their ventral surface.They are difficult to see from both above and below because of this ________,which is called countershading.
A) adaptation
B) pattern of resistance
C) selection pressure
D) fixation

Question

Quizplus · Accepted Answer

Countershading is a well-known adaptation in which animals have darker coloration on their dorsal surface and lighter coloration on their ventral surface to blend in with their environment and avoid predation.

Many Organisms Are Darker on Their Dorsal Surface and Lighter