Answer:
in explanation
Explanation:
I'd say one species can become two different species by mating. If one species mates with a different species than they carry their genes over to the baby. This would become a repeating cycle making another species.
I don't know if this was the answer you were looking for, but this how animal breeders get a certain type of animal.
B. Excite electrons
Explanation because it absorbs The quanta of energy the photon would transfer and move to a higher energy state
A. anorexia nervosa , if she doesn’t eat much and focuses too much on exercice
the other answers are also all wrong
Answer:
upper chambers of heart are called auricles or atria
lower chambers are called ventricles
