Many of them are aquatic.
Most of them live on land.
They have a shell to protect their body.
They use their large teeth to capture their prey.
They spend a lot of time in water.
They slither.
They crawl.
They are very large reptiles.
They have four very short legs.
They can extend their head, legs and tail through openings in the shell.
They have four legs, and a body covered with hard scales.
They lay their eggs on land.
They are small terrestrial reptiles.
They have long bodies with no limbs.
