It is believed that cetaceans evolved from:

a. a terrestrial mammal.
b. a pinniped.
c. fishes.
d. polychaetes.
e. dinosaurs.


A

Biology & Microbiology

You might also like to view...

Myasthenia gravis is an example of an autoimmune disease that involves

A. sensitized T cells. B. cytotoxic T cells. C. antibodies. D. IgD.

Biology & Microbiology

A ____ is formed when a ____ is dissolved in a ____

a. solution; solute; solvent b. solute; solvent; solution c. solution; solvent; solute d. solvent; solution; solute e. solvent; solute; solution

Biology & Microbiology

Why is marine transportation of oil a big problem for the environment?

What will be an ideal response?

Biology & Microbiology

Only animals with sweat glands can take advantage of evaporative cooling

Indicate whether the statement is true or false

Biology & Microbiology