The eastern grey squirrel lives mostly in oak trees that have a medium gray bark. in some cities, oak tree bark is darkening due to air pollution. this eastern grey squirrel shows melanism, or the increase in black pigment in its fur. what is most likely the reason for the change in fur color?

The answer is D: It is a way to camouflage the squirrel in a changing habitat.

Explanation:

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

idk im sorry.