An animal takes on the temperature of their surroundings so they don't have to use food energy to keep warm. this means they don’t have to eat as often. they are considered an

question 14 options:

endotherm

ectotherm

Ectotherm

sorry i’m just tryna get 20 characters

Ectotherm

Explanation:

I just took the test, and in order for Ectotherms to get warm they have fur some, and they can lay there get warm which can encounter in hibernation. Like with bears.

b.have there own function.

thinking it would be d not too sure but i think it's right