It would be the 3rd option: Reaction to a stimulus helps maintain homeostasis.
Do you need an explanation?
Answer:
i think it might Be B. but im not 100% sure but it seems to be the only logical one
Explanation:
Answer:
Due to sexual reproduction and genetic variation, all apple trees of the same variety are clones from one tree. All apples of different kinds in the world are from one single tree
Explanation:
if your asking about how the different apples came from then this is your answer