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Table of Contents
Enchanted Learning
All About Sharks!

Geologic Time Chart
Introduction to Sharks Introduction to Rays Anatomy Shark and Ray Species Extreme Sharks Extinct Sharks Classification Shark Glossary Shark Index Printables, Worksheets, and Activities

SHARK ANATOMY
Tiger shark

SHARK SKELETON

Sharks are a type of fish that have no bones, only cartilage. Some parts of their skeleton, like their vertebrae, are calcified. Cartilage, a strong fibrous substance, is softer than bone; our nose and ears are made of cartilage.

Sharks belong to the group of fishes called Elasmobranchs, which also includes the rays, skates, and ratfish. The Elasmobranchs are all fish that have no bones, only cartilage.





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