They contain 2 shells. The top shell is called the carapace , while the lower shell is called the plastron . Both shells are colored to help the turtle blend in with the 2 environments in which it lives. All turtles lay their eggs on land. Turtles do not contain teeth, but use a horny beak to grab and tear food.
Turtles contain three eyelids.
Order Squamata . Lizards and snakes belong to this reptilian order. Lizards are the most abundant of this order. They evolved from the diapsid group of primitive organisms. They range in size from the large Komodo Dragon to the small tropical geckos.