I would assume the answer is false, although it really depends on the client. Everyone is triggered by different things. Hope this helps
The stage of physical development during adolescence is called puberty!
If some living things do not reproduce this could be considered a defect or a genetic mutation in those people. If we take humans for example, if most humans reproduce and some don't because they cannot (if a guy cannot produce sperm) this doesn't mean that he isn't alive, it just means he was born with a genetic mutation which doesn't allow him to produce sperm needed for reproducing.