Narwhal

What is the scientific name of the narwhal?

• Monodon monoceros

• Delphinus delphis

• Orcinus orca

• Balaenoptera musculus

During a marine biology class, Sophia learned that the narwhal's tusk is a long protrusion that is not a horn. True or False?

• True

• False

During a biology class, Aria and Aiden were discussing the unique features of marine animals. Aria asked, "What is one theory about the purpose of the narwhal's tusk?"

• It is used for hunting prey.

• It helps in navigation under ice.

• It is a sensory organ.

• It is used for attracting mates.

Elijah is studying marine biology and learns that the narwhal's tusk has a soft exterior with a tough core. Is this statement true?

• True

• False

The narwhal's tusk helps it survive in the Arctic waters by:

• Detecting changes in the environment

• Attracting mates

• Breaking through ice

• Hunting for food

In which ocean are narwhals predominantly found?

• Atlantic Ocean

• Indian Ocean

• Arctic Ocean

• Pacific Ocean

How long can a narwhal's tusk grow?

• Up to 1 meter

• Up to 2 meters

• Up to 3 meters

• Up to 4 meters