Are characterized by stinging cells used for defense and for capturing prey.

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Why do mountaineers become breathless as they reach high altitudes

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.