Development and growth
cell reproduction
asexual reproduction
I would go with B & D because they change over time and they can go extinct like those big octopus in the oceans, they are rare to see in my opinion because they can blend in with other things that keeps them away from danger.
Increase and decrease in oestrogen and progesterone.
Well, it’s just because nucleotides do not contain an amino group. Nucleotides are composed of nitrogen base bonded to a sugar which is also bonded to a phosphate group. No amino groups in sight.
