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~~Facts about Reptiles~

Reptiles first appeared on Earth Reptiles first appeared on Earth approximately 340 million years ago.approximately 340 million years ago.

Reptiles are divided into four groups; Reptiles are divided into four groups; Turtles, Squamata, Crocodilians, Turtles, Squamata, Crocodilians, and Tuataras. and Tuataras.

There are 8000 known species of There are 8000 known species of reptiles, the most of them are reptiles, the most of them are squamata. squamata.

TurtlesTurtles Turtles are the most Turtles are the most

ancient of the groups, and ancient of the groups, and haven’t changed much haven’t changed much since they have been on since they have been on Earth for hundreds of Earth for hundreds of millions of years.millions of years.

Reptiles are located on Reptiles are located on every Continent except every Continent except Antarctica Antarctica

.. Turtles are found in salt Turtles are found in salt

and fresh water.and fresh water. Turtles has protective shells Turtles has protective shells

which can be used for which can be used for

camouflage alsocamouflage 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

• Crocodilians first Crocodilians first appeared around 80 appeared around 80 million years ago. million years ago.

• This group includes This group includes alligators, alligators, crocodiles, gharials, crocodiles, gharials, and caimans.and caimans.

• Crocodilians usually Crocodilians usually live in lakes, live in lakes, oceans, rivers, and oceans, rivers, and mangroves.mangroves.

TuatarasTuataras

• Tuataras are similar Tuataras are similar looking to lizards but looking to lizards but do not have jointed do not have jointed jaws like lizards. jaws like lizards.

• Tuataras used to be Tuataras used to be spread everywhere spread everywhere but now there are but now there are only two species. only two species.

• They are located in They are located in the New Zealand the New Zealand islands. islands.

Cold BloodedCold Blooded

Reptiles are cold blooded Reptiles are cold blooded which means they cannot which means they cannot make there own heat, make there own heat, unlike mammals or birds unlike mammals or birds who can make there own who can make there own heat. heat.

Reptiles need to find Reptiles need to find environmental sources environmental sources for heat like the sun, for heat like the sun, basking, and shade 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~ ~Thank You~ written by Richard Nguyen, Brian written by Richard Nguyen, Brian Munoz, and Andrew Martinez. Munoz, and Andrew Martinez. May 5, 2013 May 5, 2013 Have a Nice Day (:Have a Nice Day (: