Answer :
They have a shell, which is attached to their body, unlike other creatures.
Turtles have been on the earth for more than 200 million years. They evolved before mammals, birds, crocodiles, snakes, and even lizards.
The earliest turtles had teeth and could not retract their heads, but other than this, modern turtles are very similar to their original ancestors.
The earliest turtles had teeth and could not retract their heads, but other than this, modern turtles are very similar to their original ancestors.