Reptiles  Reptiles are ectotherms. They have scaly skin which help protect them. Some reptiles have legs, but some have adapted to moving without legs like snakes

~Facts about Reptiles~ Reptiles first appeared on Earth approximately 340 million years ago. Reptiles first appeared on Earth approximately 340 million years ago. Reptiles are divided into four groups; Turtles, Squamata, Crocodilians, and Tuataras. Reptiles are divided into four groups; Turtles, Squamata, Crocodilians, and Tuataras. There are 8000 known species of reptiles, the most of them are squamata. There are 8000 known species of reptiles, the most of them are squamata.

Turtles Turtles are the most ancient of the groups, and haven’t changed much since they have been on Earth for hundreds of millions of years. Turtles are the most ancient of the groups, and haven’t changed much since they have been on Earth for hundreds of millions of years. Reptiles are located on every Continent except Antarctica Reptiles are located on every Continent except Antarctica. Turtles are found in salt Turtles are found in salt and fresh water. Turtles has protective shells Turtles has protective shells which can be used for camouflage also.

Squamata The Squamata group includes snakes and lizards. Squamatas shed their skin and have jointed jaws which make them have a powerful bite. Snakes can be found in deserts, forest, lakes, stream, and oceans. Lizards can be found in forest and deserts.

Crocodilians Crocodilians first appeared around 80 million years ago. Crocodilians first appeared around 80 million years ago. This group includes alligators, crocodiles, gharials, and caimans. This group includes alligators, crocodiles, gharials, and caimans. Crocodilians usually live in lakes, oceans, rivers, and mangroves. Crocodilians usually live in lakes, oceans, rivers, and mangroves.

Tuataras Tuataras are similar looking to lizards but do not have jointed jaws like lizards. Tuataras are similar looking to lizards but do not have jointed jaws like lizards. Tuataras used to be spread everywhere but now there are only two species. Tuataras used to be spread everywhere but now there are only two species. They are located in the New Zealand islands. They are located in the New Zealand islands.

Cold Blooded Reptiles are cold blooded which means they cannot make there own heat, unlike mammals or birds who can make there own heat. Reptiles are cold blooded which means they cannot make there own heat, unlike mammals or birds who can make there own heat. Reptiles need to find environmental sources for heat like the sun, basking, and shade Reptiles need to find environmental sources for heat like the sun, basking, and shade

Reptile Diets  Squamata- Most small lizards and snakes feed on insects and invertebrates.  Turtles diet are based on if they are carnivorous (meat eaters), herbivores (plant eaters), or omnivores (meat and plant eaters)  Crocodilians are carnivorous, they feed on fish, birds, turtles, buffalo. They are usually the top predators in there environments.  Tuataras eat insects, small invertebrates, and birds

Reproduction Reptiles lay eggs that have tough shells. The amniotic egg, contains membranes that protect the embryo, which is a undeveloped offspring and helps get rid of waste. Many reptiles like turtles, give there young little or no help.

~Thank You~ written by Richard Nguyen, Brian Munoz, and Andrew Martinez. May 5, 2013 Have a Nice Day (: