It's usually d,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
<span>repairing parts of damaged tissue </span>
Lipids are fatty substances thus they release greatest amount of energy more than carbohydrates
The forelimbs of all mammals are homologous traits, meaning that they originate from a common ancestral trait.
The correct answer is therefore C. Homologies (homologous traits), from the same common ancestor.
(To clarify, we know it is from a common ancestor because both bats and humans are mammals)