Marine Mammals Test Review

Front

What helps propel Cetaceans forward?

Back

Flukes are the tail fins of cetaceans that help them swim efficiently by providing propulsion.

Front

What is used by Pinnipeds to move on both land and sea?

Back

Front flippers are the limbs of pinnipeds that allow them to navigate both in water and on land.

Front

To what marine mammal group do sea otters and polar bears belong?

Back

Carnivora is the order that includes sea otters and polar bears, characterized by their carnivorous diet.

Front

Name an example of a sirenian.

Back

Manatee is a well-known example of a sirenian, which are aquatic herbivorous mammals.

Front

The two types of whales are?

Back

Toothed and baleen whales are the two main classifications of whales, distinguished by their feeding mechanisms.

Front

What is the primary diet of baleen whales?

Back

Baleen whales primarily feed on small organisms like krill and plankton, using baleen plates to filter food from water.

Front

What adaptations do cetaceans have for underwater living?

Back

Cetaceans have adaptations such as streamlined bodies, blowholes for breathing, and echolocation for navigation and hunting.

Front

What is the main difference between seals and sea lions?

Back

The main difference is that sea lions have external ear flaps and can rotate their hind flippers, while seals do not.

Front

What role do marine mammals play in their ecosystems?

Back

Marine mammals are important for maintaining the balance of marine ecosystems, often serving as predators and prey.

Front

What is echolocation and which marine mammals use it?

Back

Echolocation is a biological sonar used by dolphins and some whales to navigate and hunt by emitting sound waves.