Shark Teeth

Why do you think sharks lose so many teeth? Use evidence from the text to support your thinking.

Why do you think sharks are the ultimate predators of the ocean? Use text evidence to support your thinking.

What makes sharks so powerful?

• Their "bones" are made of cartilage.

• Their bodies are made up of pure muscle.

• They have extremely strong jaws.

• All answers are correct.

Why do sharks have so many teeth? Use evidence from the text to support your thinking.

Sharks can have over ________ teeth over the course of their lives!

• 50

• 50,000

• 10,000

• 75

Why is searching for fossilized shark teeth a popular activity? Use text evidence to support your thinking.

What causes a shark to lose teeth?

• Biting into a meal

• The teeth do not have roots

• They are not very strong

• All answers are correct

Why do shark get teeth back so quickly? Use text evidence to support your thinking.

What happens to sharks' lost teeth?

• They may become fossilized.

• The sink to the bottom of the ocean.

• The shark ingests them.

• None of the answers are correct.

What moves in the sharks' mouth to make the teeth move up?

• The jawbone pushes the tooth to the surface.

• When a hole appears, a shark's growth hormone triggers the growing of a new tooth.

• The force of the tooth getting pulled yanks the new tooth to the surface.

• New teeth move forward to replace lost teeth within a day to a couple of weeks.