Answer:
A is the correct answer.
Explanation:
Because Adaption means to the process by which a species becomes fitted to its environment. So A is the closest.
Explanation: For only 7 points no one is going to do that. Make at 50 and I will do it.
Ghrelin INCREASES APPETITE.
Ghrelin is an hormone which is majorly produced by the stomach. Other organs, which produces the hormone in small quantities include: the brain, the pancreas and the small intestines. The hormone has many functions, but its major function is to stimulate appetite, increase food intake and to promote fat storage.