indicate the type of gastric gland cells that produce the following gastric secretions and the function of each secretion

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

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.

What must be true for natural selection to heppen