Sharks
⭐ MasteredSharks 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.
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.
Some sharks can sense tiny electrical signals from other animals.
Sharks have been around for more than 400 million years, long before dinosaurs. Most sharks are not dangerous to people, and many are endangered because they are caught for their fins or accidentally in fishing nets.
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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.