How does the monarch’s coloration help both the butterfly and its predators?

Plzz hurry im being timed during times of vigorous physical activity, muscles require a constant supply of oxygen. how does the body respond to these needs? a. breathing rate and heart rate both decrease. b. breathing rate and heart rate both increase. c. heart rate decreases, but breathing rate remains stable. d. breathing rate increases, but heart rate remains stable.

(amoeba sisters video recap: pedigrees and need

What enzyme is most important for dna replication and why?