Answer:
The starfish is ecosystem balancer
Explanation:
Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin. Acetylcholine, gastrin, and histamine stimulate the proton pump in parietal cells to release hydrogen ions and decrease pH.
Hi!
The answer is "light wave"
Hope this helps!
-Payshence xoxo
the larger one will not be able to survive because of how big it is. take a look at the big one. it has a few particles, but its extremely large. because of this it will die. the particles won't be able to travel all over the cell.
4 is c and 5 I think is a