Marine Mammals

What do Sea Otters eat?

• Only plants

• Small insects

• Marine animals and use tools

• Berries and nuts

What is a distinctive feature of adult walruses of both genders according to the Order Carnivora information?

• They have large ears.

• They have no teeth.

• They have ivory tusks.

• They are hairless.

What is another common name for seals in the Order Carnivora?

• Earless seals

• Fur seals

• Sea lions

• Walrus

What is a significant difference in the flippers of seals compared to sea lions?

• Seals have larger flippers with no visible nails.

• Seals and sea lions have identical flippers.

• Seals have smaller flippers with visible nails.

• Seals have flippers designed for better mobility on land.

Tags

NGSS.MS-LS4-2

What do members of the Order Sirenia primarily consume?

• Fish and crustaceans

• Shallow-water coastal grasses

• Plankton

• Seaweed

Where can dugongs typically be found?

• Coastal areas of the Arctic Ocean

• Rivers of South America

• Coastal areas of Indian and western Pacific Oceans

• Great Lakes of North America

Which characteristic is unique to West Indian manatees as compared to Indian Ocean dugongs?

• Fluked tail fin

• Rounded tail fin and nails on their front flippers

• No visible nails on front flippers

• Similar tail fin to a whale

Tags

NGSS.MS-LS4-2

What is a distinctive feature of the skull in members of the Order Cetacea?

• Elongated skull

• Flat skull

• Spiked skull

• Transparent skull

Tags

NGSS.MS-LS4-2

What is the function of the fluke in Cetacea?

• Vertical propulsion

• Sensory detection

• Food digestion

• Heat regulation

What is a unique feature of the muscles in cetaceans regarding carbon dioxide?

• Highly sensitive to carbon dioxide

• Insensitive to the buildup of carbon dioxide

• Completely lack carbon dioxide sensitivity

• Only sensitive during deep dives