Turtoises (Testudinata) can age up to 200 years, depending on the species and size, and are among the longest living animals in the world, along with the Greenland shark and the Greenland whale. Only one in 1000 eggs reaches adulthood. The sex is determined by the ambient temperature of the eggs. The turtle tank, which is made of bone, grows automatically with the size of the turtle. These reptiles have existed for at least 200 million years and have lived with dinosaurs.
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