This Eastern grey squirrel shows melanism, or the increase in black pigment in its fur. Which is MOST LIKELY the reason for this change in fur color occur over time?
A)
With age; this is a very old squirrel.
B)
Squirrels from another region moved into the area.
C)
It is a way to help the grey squirrel attract a mate.
D)
It is a way to camouflage the squirrel in a changing habitat.

Question

This Eastern grey squirrel shows melanism, or the increase in black pigment in its fur. Which is MOST LIKELY the reason for this change in fur color occur over time?
A)
With age; this is a very old squirrel.	
B)
Squirrels from another region moved into the area.	
C)
It is a way to help the grey squirrel attract a mate.	
D)
It is a way to camouflage the squirrel in a changing habitat.

anonymous · Answer

D) protects it from predators, therefore darker pigmented variation is favoured and survive to reproduce (survival of the fittest)