12. Sea lions are...
A ...indistiguishable from seals.
Seals' flippers are smaller and they lack visible ear flaps.
B ...cetaceans.
Cetaceans include whales, dolphins and porpoises.
C ...pinnipeds.
Correct!
D ...bipedal.
Sea lions don't have two legs for walking like bipedal animals.
D All of the above are true.
Incorrect
