Answer:
sexual dimorphism
Explanation:
Dimorphism means having two different forms, therefore sexual dimorphism is a phenomenal where two sexes of the same species will exhibit different characteristics apart from having different sex organs.
When John was young he could sing soprano because he had not yet undergone puberty. One of the changes that happens in boys is the change in voice which only happens to males making them different from females.
1. It connects a large part of the peripheral nervous system to the brain. 2. Nerve impulses reach the spinal cord through sensory neurons are transmitted up into the brain.
a vertebrate is an organism with a spinal cord, an invertebrate has no spinal cord
Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. By controlling information flow through biochemical signaling and the flow of chemical energy through metabolism<span>, biochemical processes give rise to the complexity of life.
</span>
