Answer:
Viruses mutate very quickly The major reason that viruses evolve faster than say, mosquitoes or snakes or bed bugs, is because they multiply faster than other organisms. And that means every new individual is an opportunity for new mutations as they make a copy of their genetic material. Many of those mutations have no noticeable effect.
Explanation:
One of the many changes are the seasons, ex Winter, Spring, Summer, Fall
Animals take in oxygen and release it as Carbon dioxide
Well for starters that is not DNA it is RNA so it has already been transcribed, so your answer should be replication.
