Reptiles  are cold-blooded vertebrate animals.​ They regulate their body temperature using the sun's heat.

​

     All reptiles breathe through lungs.

​

     Reptiles have their body covered by scales.

​

     Most of reptiles are oviparous.

 

​     There are four main groups of reptiles:​

 

           ​1-turtles and tortoises​

           2-lizards and snakes​​

          3-crocodiles and alligators

          4-tuatara

​​

    Reptiles live in all kind of habitats except polar ice and tundra.
 

​

​