What is the primary cell type involved in humoral immunity?

Theories basic to all of the life sciences include the germ theory of disease. theory of evolution by natural selection. o two of these answers are correct none of these answers are correct o cell theory.

Polar zones are cold and tend to be dry because of a pressure system of cold. low high

Jellyfish sometimes squeeze in the sides of their bodies. this pushes a stream of water from the back end of their bodies. according to newton’s third law of motion, how will this behavior affect of the jellyfish ?