D
Punctuated equilibrium is a series of small, gradual changes over long periods of time.
Answer:
C. Because your body cannot accurately sense when your muscles are done working hard.
Explanation:
One example of a positive feedback loop in childbirth is contractions. When the contractions start, they produce oxytocin, which stimulates stronger contractions, which produce more oxytocin.
Answer:
A
It produces molecules of ATP(Adenosine triphosphate)