Sharks

__________________ belong to the cartilaginous fish group.

• 
• 
• 
• 

There are about ________________ different species of sharks.

• 50

• 100

• 400

• 200

Fish can close their eyes

• True

• False

All fish are covered in scales.

• False

• True

A shark is a fish.

• True

• False

Sharks have an excellent sense of smell.

• False

• True

Sharks can see well in dim light.

• True

• False

Most sharks have ten raws of teeth.

• True

• False

A shark has ears on the outside of its head.

• False

• True

Sharks breathe _____________ from the seawater.

• Helium

• Oxygen