Option A
A. There are no teeth, but there is baleen in the upper jaw.
B. There are two external nostrils or “blowholes” on the top of the head.
Select

Option B
A. There is at least one tooth on either side of the lower jaw. Teeth may or may not be present in the upper jaws. There is no baleen in the upper jaw.
B. There is one external nostril or “blowhole” on the top of the head.
Select