Turtles are reptiles and it is believed they have existed on planet Earth since 215 million years. The largest species of Turtle is leatherback sea turtle that can weigh over 900 kg around 2000 lb. There are few species of turtle that lay eggs in the sand and leave them to hatch on their own. The newly born turtle will make their way at the top of the sand and later reach water by avoiding predators. The turtles has special glands that can remove salt from the water they drink.
Turtles have a hard shell that protects them from the shield and the upper shell is known as ‘carapace’. Also, they have lower shell known as plastron, howvever, have you ever given a thought, If turtles survive without their shells, The answer is no, turtles will not be able to survive without their Shells because the shell of the turtle is a part of the body. Its there ribcage, and their spine, and their vertebrae and even their sternum.
Source: ourfunnylittlesite