Marine Mammals Quiz

How do polar bears adapt to the freezing Arctic conditions?

• They develop wings for flying

• They grow gills for breathing underwater

• They have insulating blubber or fur

• They learn to live without oxygen

During a field trip to the aquarium, a marine biologist explains to students that all marine mammals share certain characteristics. Which of the following did the biologist mention is NOT a characteristic of marine mammals?

• Warm-blooded

• Breathe air

• Bear live young

• Lay eggs

Observing a group of sea lions, a marine biologist notes a common characteristic among them that is typical of Order Carnivora marine mammals. What is this feature?

• Prominent canine teeth

• Ability to fly

• Lack of hair or fur

• Herbivorous diet

During a wildlife documentary, it was mentioned that one of the characteristics of polar bears is unique compared to other bear species. Which of the following is true about polar bears?

• They are excellent swimmers

• They primarily eat plants

• They have thin fur

• They are found in the tropical regions

During a wildlife documentary, the narrator highlights a unique feature of walruses. What is it?

• They have prominent ear flaps

• Adults of both genders have ivory tusks

• They have the ability to fly

• They are the smallest marine mammals

During a visit to the coastal wildlife sanctuary, a guide explains the differences between marine mammals. How do seals differ from sea lions and fur seals?

• Seals have prominent ear flaps

• Seals have larger front flippers

• Seals have fore flipper claws

• Seals are not warm-blooded

What is one of the differences in locomotion strategies between seals and sea lions and fur seals when navigating through a crowded beach?

• Seals use their wings to swim

• Seals use their fore flippers to swim

• Seals hop on land using their back flippers

• Seals and sea lions both have the same locomotion strategies

What is the primary diet of the Order Sirenia, such as manatees and dugongs?

• Carnivores

• Omnivores

• Herbivores

• Insectivores

During a marine biology expedition, researchers observed various adaptations of marine mammals. Which adaptation of the Order Cetacea is specifically aimed at increasing swimming speed?

• Blunt snout

• Streamlined bodies

• Pointy teeth

• Smaller dorsal fin

What percentage of water is the skin of Order Cetacea made up of?

• 50% water

• 60% water

• 70% water

• 80% water