What is a characteristic of Antarctic Bottom Water? a. Extremely high density
b. Southward movement toward Antarctica along the seafloor
c. Formation near the Mediterranean north of Africa
d. Extremely low density
e. Fast movement

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