Marine Mammals Review (Fissipeds, Pinnipeds, Sirenians)

Why were sea otters hunted by people?

• For their teeth
• For meat
• For their thick fur

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Which fissiped is the least adapted to an aquatic existence?

• polar bears
• sea otters
• sea lions
• penguins

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Sea otters and polar bears belong to this group of marine mammals.

• Pinnepeds
• Fissipeds
• Cetaceans
• Sirenians

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Sea Otters lack a thick layer of blubber like other marine mammals, but make up for it by...

• having dense fur.
• having high metabolisms.
• sun bathing.
• having oils on their skin.

What is the primary food source for Polar bears?

• Clams
• Sea Otters
  Sea Otters
  Sea Otters
• Seals
• Fish

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Which is not a trait of Marine Mammals?

• Hair
• Warm Blooded
• Nursing young
• Ectothermic

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5 characteristics of Marine Mammals are:
Live Birth
Nurse Young
rely on ocean for survival
Endothermic
Hair or fur

• True
• False

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Which does not have external ear flaps?

• seals
• sea lions
• fur seals

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Walruses live in the ____. Winters there are long and cold.

• Arctic
• Amazon
• Antarctic

Which animal belongs to Family Odobenidae?

• seals
• sea lions
• fur seals
• walruses