What is necessary for evolution to occur? (select all that apply)

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.

What determines whether a particular cell is able to respond to a hormone?

What is the difference between magnification and resolution