Sharks

Sharks belong to a group of fish called Chondrichthyes.

• True
• False

Sharks lack a swim bladder.

• True
• False

Tags

NGSS.HS-LS4-4

How many species of sharks are there in the world?

• 100
• 400
• 4000
• Too many to count.

How many teeth does a shark have in its lifetime?

• 500
• 100,000,000
• 20,000
• 100,000,000,000

Do all sharks have the same size teeth?

• Yes

• No

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

How much of a shark's brain is dedicated to the sense of smell?

• 4/5ths
• 8/16ths
• 2/3rds
• 4/1000ths

Which shark species' fetuses employ siblicide as a survival of the fittest technique in the womb?

• Bull
• Great White
• Goblin
• Sand Tiger

What are the skeletons of sharks and rays made of?

• Chitin
• Calcium carbonate
• Cartilage
• Coldness

Tags

NGSS.MS-LS4-2