A tsunami is associated a lot. Hope that helped dude! ( Or girl.)
Natural selection is where positive traits survive more, allowing those to become more common. Mutation is where radioactivity changes genes in a random way. Natural selection allows positive mutation to become more common. Adaptation is where natural selection works for a species specifically more a new habitat.
The secret of an endocrine gland that is transmitter by the blood to the tissue travel through the body .
The answer to your question is A.
Amino acid reactions. Amino acids via their various chemical functionalities can undergo numerous chemical reactions.