Answer:
It is rock. hope it helps
Explanation:
Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. Random mutations are the initial cause of new heritable traits. For example, a rabbit can't choose to have a different fur color.
mark brainlist plsss
I think it would be A. Helicase
Carrier proteins are the proteins in active transport
The main site of red blood cell production is the liver.