Answer:
puberty.
Explanation:
Puberty is the process of physical maturation where an adolescent reaches sexual maturity and becomes capable of reproduction. On average, puberty typically begins between 8 and 13 in females and 9 and 14 in males.
There are three distinct stages.
B.
During the adult stage, the insect forms a cocoon.
C.
During its life cycle, the insect changes its appearance dramatically.
D.
The larva's form resembles that of the adult.
The answer to your question is,
Endorphins. :)
-Mabel <3