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Sea Turtles

Sea turtles are large, air-breathing reptiles that inhabit tropical and subtropical seas throughout the world. Their shells consist of an upper part (carapace) and a lower section (plastron). Hard scales (or scutes) cover all but the leatherback, and the number and arrangement of these scutes can be used to determine the species. Sea turtles are large, air-breathing reptiles that inhabit tropical and subtropical seas throughout the world. Their shells consist of an upper part (carapace) and a lower section (plastron). Hard scales (or scutes) cover all but the leatherback, and the number and arrangement of these scutes can be used to determine the species.
Sea turtles come in many different sizes, shapes and colors. The olive ridley is usually less than 100 pounds, while the leatherback ranges from 650 to 1,300 pounds! The upper shell of each sea turtle species ranges in length, color, shape and arrangement of scales Sea turtles, are well adapted to life in the marine environment .  Most scientists recognize two families of sea turtles

1. Family Cheloniidae are sea turtles with shells covered with scutes (horny plates).
2. Family Dermochelyidae are scuteless turtles with only one modern species, the leatherback turtle. Leatherbacks are covered with leathery skin. They are the only marine turtle whose backbone is not attached to the inside of the shell.

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