They have scales to protect their soft, wet skin from drying out. Their bodies are as cold or hot as the temperature around them. Alligators An alligator can look like a floating log. Its eyes and ears are on top of its head. It gets very close to its prey and then eats it.
Alligators use their tails and feet to swim.
A land turtle can stretch its head. It doesn't swim. It can close its shell so tightly, even a blade of grass can't fit through. It has a rock like shell that is good for hiding. A sea turtle has a smooth flat shell so it can swim well.