Is an eagle, kangaroo, zebra and gorilla part of a vertebral column

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”