The reasons as for why enzymes are important is because of the first option.
Answer:
Hydras live in fresh water environments, while sea anemones live in MARINE environments! Hydra, although primarily sessile (sedentary), may move up to several inches in a day.
Hello!
1) A small group of birds arrives from South America.
2) Geographic isolation
3) Changes in gene pool
4) Behaviors from interbreeding
I hope it helps!
The answer is "<span>B: all the gray squirrels that live in a forest" </span>
One type of density change is mass over volume.