When a mutation has an effect that helps a species adapt to an environment, and specimens of both genders have it, it will end up taking over, causing evolution to gradually happen.
Answer:
Potential Energy.Hope it helps ☺️
One good reason would be that they could give someone, or many people who are in desperate need of a new organ, a second chance at life.
I see someone answering for u
Hello!! The answer would be A - The SA node. It is known as the "pacemaker" because it initiates the heart's rhythmic contractions. I hope I helped!! Have a great day. :)
