Why do sharks have no bones but if you search “shark skeleton” there’s diagrams?

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Why do sharks have no bones but if you search shark skeleton there’s diagrams? And wouldn’t shark teeth be considered bones?

In: Biology

3 Answers

Anonymous 0 Comments

You can have a skeleton without having “bone”. Insects have skeletons of chitin. Shellfish have skeletons made of calcium carbonate.

Sharks use cartilage, reinforced with calcium, but still not bone.

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