Which type of relationship exists between hermit crabs and giant tritons?
a) predation
b) mutualism
c) parasitism
d) commensalism

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?

1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis