This might help,the presence of hydrochloric acid creates an acidic environment within the stomach that is needed to convert pepsinogen to pepsin. Mucus that is produced by the epithelial cells of the stomach help protect the lining of the stomach from the corrosive hydrochloric acid and pepsin.
A photon of light hits chlorophyll, causing an electron to be energized.
I found it on googIe
Answer:
Consumers must obtain their nutrients and energy by eating other organisms. Decomposers break down animal remains and wastes to get energy.
secondary consumer obtain their energy by eating or consuming primary consumers.
