Nature and Animals · Topic 44 of 65

Sharks

Sharks are fish with skeletons made of cartilage rather than bone. They have many rows of teeth and can sense tiny electrical signals from other animals.

💡 Fun fact

Sharks have existed for over 400 million years, long before trees appeared on land.

All about Sharks

Sharks are fish with skeletons made of cartilage rather than bone. Many have several rows of teeth that are replaced throughout their lives.

Sharks have existed for hundreds of millions of years and help keep ocean food webs balanced.

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Real-life uses of Sharks

Studying ocean health
Understanding predator and prey relationships
Researching marine conservation

Frequently asked questions about Sharks

What are shark skeletons made of?

Cartilage, not bone.

Do sharks have many teeth?

Yes, many sharks have several rows of teeth that get replaced.