Whales are Mammals
Whales are mammals that live in the ocean. Whales can be grouped into those that have teeth and a single blowhole, and those that have two blowholes. They can also be grouped as either "toothed" or "baleen."
Whales are mammals that live in the ocean. Whales can be grouped into those that have teeth and a single blowhole, and those that have two blowholes. They can also be grouped as either "toothed" or "baleen."