What does the process of diffusion do for the cell? a. moves energy in the cell b. moves oxygen through the cell membrane c. moves water in and out of the cell d. moves proteins through the cell membrane

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

c. is the correct answer