The diagram below shows cell A completing a life process. Cell A performs functions similar to the tissues and systems in complex, multicellular organisms. Thus process is called A. Diffusion
B. Facilitated diffusion
C. Exocytosis
D. Endocytosis

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

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

What is thought to have caused the mass extinction at the end of the cretaceous period?