Which of the following is NOT a use for blubber in a marine mammal?

Osmoregulation is used in mammals for what purpose?

What are the animals often referred to as "unicorns of the sea" (because of their single tusk)?

What do baleen whales have two of, that toothed whales have only one of?

A term used to describe the action of when whales lift their head straight out of the water ___.

Which type of whale was in "Moby Dick"?

Seals and Sea Lions are examples of what type of mammals ___?

Manatees and Dugong feed on ____.

Which of the following characteristics is NOT a characteristic of the Polar Bear?

Which otter species lack blubber?

Which otter species floats and swims on its back?

Which otter species rarely leaves water, even gives birth in water?

Which otter species mainly feeds on fish and invertebrates?

Which of the following Pinnipeds lack blubber?

Which pinnipeds give birth once a year to a single pup?

Which pinnipeds uses its fore flippers for propulsion whn swimming?

Which pinnipeds have an extra dense layer of hair close to skin (underfur)?

Which pinnipeds have a thick layer of fat (blubber)?

Which pinnipeds have an extra dense layer of hair close to skin (underfur)?