Marine Mammals

Mammals have the largest ____ of all vertebrates.

• brain

• heart

• liver

• lungs

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

• keep warm

• buoyancy

• food reserve

• attack prey

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

• narwhals

• walrus

• manatees

• beaked whales

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

• stomachs

• bladders

• blowholes

• set of eyes

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

• lobtailing

• fluking

• spyhopping

• blowing

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

• Cetacean

• Felines

• Pinnipeds

• Sirenians

Manatees and Dugong feed on ____.

• humans

• fish

• small crustaceans

• sea grass

Which otter species floats and swims on its back?

• only marine otters

• only sea otters

• both species

• neither species

Which of the following Pinnipeds lack blubber?

• true (earless) seals

• eared seals

• walruses

• none of these

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

• true (earless) seals

• eared seals

• walruses

• all pinnipeds in general