Sharks

Sharks have 4 to 5 pairs of gills

• True
• False

A shark can spend its whole life without swimming

• True
• False

Sharks can detect even the smallest drip of blood

• True
• False

The function of the Nictitating Membrane is to allow the shark to sleep.

• True
• False

What are the black pores used for?

• Electroreception
• Sensing vibrations
• Smelling
• Feeling

What are the skeletons of sharks and rays made of?

• Chitin
• Calcium carbonate
• Cartilage
• Coldness

The tail fin of a shark is called the:

• Pectoral fin

• Dorsal fin

• Caudal fin

• Pelvic fin

How big was the average length of the Megalodon shark?

• 50 feet

• 21 feet

• 70 feet

• 85 feet

What species of shark is the oldest known species?

• Blue shark

• Greenland shark

• Cookie Cutter shark

• Bull shark

Which is more dangerous?

• sharks to people

• people to sharks