The system of classification relates to the diversity of species because the system of classification is how we organize the diversity of species. With out it we would have a hard time trying to determine which animals belong with which group. There would be no order, just chaos of trying to determine animal likeness of one another.
To cut this answer short, it helps them organize organisms.
Answer: phosphate groups, guanine, and cytosine
Explanation:
Flows through a system :)
Cellular respiration. Hope that helps :)
