Reproduction A reptile reproduces sexually with the female's eggs being fertilized by the male internally. The eggs, which have a leathery surface, are then carefully deposited. Excretion A reptile is cold blooded. It is covered with scales. It has kidneys and ureters to get rid of liquid wastes.
Snakes can molt or shed their skin.
Symmetry A reptile has bilateral symmetry. Appearance A reptile varies in size from very small snakes, lizards and turtles up to huge alligators and crocodiles. Their coloration varies, but it frequently allows the reptile to blend in with its environment.