Question

Sloths have less muscle than other mammals their size in order to _______.

Answer 1

Answer:

A) Conserve energy

Explanation:

I took the test

Answer 2

The specific adaptation of the sloths to their niche is energy conservation: they survive by trying not to loose any energy and trying not to move too much. They have less muscle because they don't need it: their adaptation is to move less. So the correct answer is to a) conserve energy.