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Description: | Teeth are the most commonly fossilised parts of sharks, because they are harder than the other parts of the shark's body. Shark bones are quite soft, because they are made of cartilage instead of bone. When a shark dies, its teeth decay more slowly than the other, softer parts of its body. The more slowly parts of a dead animal decay, the more likely they are to be fossilised. | License: | http://www.imagine.org.uk/about/copyright/ | Rights holder: | Tyne & Wear Museums | Subjects: | fossils natural world | Source: | Tyne and Wear Imagine | Identifier: | http://www.imagine.org.uk/details/index.... | Go to resource |
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