This means that the body temperature depends on the temperature of their environment. These species are divided into about 12 families. Turtles can be found on every continent, except Antarctica. They can live in a variety of habithats. Some turtles live in the sea, while others live in ponds, rivers or even in the hottest deserts in the world.
Turtles have exoskeletons.
An exoskeleton is like the bone structure, only it is on the outside of the body. The exoskeleton is also known as a shell. The shell is fused to the bacbone and to the ribs, and are covered with large plates, or skutes . The top of the shell is domed and known as the carapace . The bottom part is flat, called the plastron .