Are You a Blue Whale Expert?

Front

What is the main idea of the article about blue whales?

Back

Humans and whales are similar because they share many body structures from a shared common ancestor.

Front

Do whales have tiny leg bones hidden by fat, skin, and muscles?

Back

True

Front

What does it mean that whales are mammals?

Back

It means they give birth to live young.

Front

What is an example of a shared structure between whales and humans?

Back

Radius and ulna.

Front

Which body structure do Species A and B NOT share?

Back

Back limbs.

Front

What is a common ancestor?

Back

A species from which two or more different species have evolved.

Front

How do whales breathe?

Back

Whales breathe air through a blowhole on the top of their heads.

Front

What is the purpose of a whale's blubber?

Back

Blubber helps to insulate the whale and keep it warm in cold water.

Front

What are tail flukes?

Back

Tail flukes are the horizontal lobes at the end of a whale's tail, used for swimming.

Front

How do whales communicate?

Back

Whales communicate using sounds, including songs and clicks.