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Turtle Skelton

Description



Turtles have a bony, scale-covered shell attached to the backbone

A 200-million-year-old fossil turtle found in China has a protective plate derived from expanded ribs on its ventral side, but no shell on its back; it also has teeth

In modern turtles, a layer of keratin covers their jaws and forms a beak; some feed on plants and others are predators




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