Otariidae
Phocidae
Odobenidae
Mustelidae
Ursidae
100

The number of species in the family Otariidae.

What is 14?

100

The number of species in the family Phocidae.

What is 18?

100

The only species in this family.

What are walruses?

100

The only marine member of this family.

What is sea otters?

100

The only marine mammal of this family.

What is polar bears?

200

A key physical difference between Otariidae and Phocidae.

What is ear flaps?

200

These marine mammals have no ___ ___.

What is external ears?

200

The gender with larger tusks.

What is male?

200

The number of hairs this organism can have up to per square inch.

What is one million hairs?

200

This marine mammal partially hibernates in ___ dens.

What is multichambered?

300

They are ___ ___ on land than Phocidae.

What is more mobile?

300

The family Phocidae are considered ___ seals.

What is true?

300

The geographic range of this marine mammal with the largest concentration.

What is the Pacific?

300

The geographic range of this marine mammal.

What is the North Pacific?

300

The geographic range of this marine mammal.

What is the Northern Hemisphere?

400

The largest of the Otariidae family.

What is Steller Sea Lions?

400

A physical feature that seals possess but sea lions do not.

What is nails?

400

The reason this marine mammal requires pack-ice.

What is hauling out and breeding?

400

The place where they store tools and food.

What is armpit pockets?

400

The greatest threat to this marine mammal.

What is climate change?

500

The tool scientists use to count sea lions (and other animals).

What is telemetry?

500

The conservation status for these marine mammals.

What is threatened?

500

The name of the long stiff hairs growing around the mouth on this marine mammal.

What is vibrissae?

500

This marine mammal is considered a ___ because they are indicators of ecological change.

What is keystone species?

500

This marine mammal has a greater chance of overheating than being cold because of ___.

What is thermoregulation?

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