Lizards and snakes belong to the order Squamata, a division of the class Reptilia. Characteristic reptilian features include scaly skin, lungs, and cold-bloodedness. Most reptiles lay leathery-shelled eggs, although some hatch the eggs inside their bodies and give birth to live young. Lizards belong to the suborder Lacertilia. Typically, they have long tails, and shed their skin in several pieces. Many lizards can regenerate a tail if it is lost; some can change color; and some are limbless. Snakes make up the suborder Ophidia (also called Serpentes). All snakes have long, limbless bodies; can dislocate their lower jaw to swallow large prey; and have eyelids that are joined together to form a single transparent covering over the front of the eye. Most snakes shed their skin in a single piece. Constrictor snakes kill their prey by squeezing; venomous snakes poison their prey.
Lizards and snakes belong to the order Squamata, a division of the class Reptilia. Characteristic reptilian features include scaly skin, lungs, and cold-bloodedness. Most reptiles lay leathery-shelled eggs, although some hatch the eggs inside their bodies and give birth to live young. Lizards belong to the suborder Lacertilia. Typically, they have long tails, and shed their skin in several pieces. Many lizards can regenerate a tail if it is lost; some can change color; and some are limbless. Snakes make up the suborder Ophidia (also called Serpentes). All snakes have long, limbless bodies; can dislocate their lower jaw to swallow large prey; and have eyelids that are joined together to form a single transparent covering over the front of the eye. Most snakes shed their skin in a single piece. Constrictor snakes kill their prey by squeezing; venomous snakes poison their prey.