REPTILES

REPTILES

THE MAIN TYPES OF REPTILES ARE:

Chelonians,Crocodilians and Squamates.

CHELONIANS:

-They are aquatic or terrestial.

-They don't have teeths.

-Their mandibles form a beak, they use

to cut their food.

-They have a shell covering their trunk.

CROCODILIANS:

-They live in water and on land.

-They are large and have a large scales.

-They are predators that have powerful

jaws with strong teeth.

SQUAMATES:

-They are characterised by their forked tongue.

-They regularly moult (change their layer of scales).

-There are two types of scaled reptiles:

Saurians and Ophidians.

SAURIANS: (lizards, geckos...)

-Mostly terrestial.

-Some can shed their tail to distract

predators giving them time to scape,

then grow it back.

OPHIDIANS: (snakes)

-They can be terrestials or aquatics.

-They have a very long body.

-They don't have legs.

-Some have a

venomous bite.

What are reptiles like?

-Are generally terrestials.

-Most of them move clawling or slithering.

-They have thick skin, without glands covered in scales.

- Most of theme have 4 legs ending in 5 toes with claws.

-They are ectothermic.

-They have lungs for breathing.

NUTRITION

-Most of them are carnivores.

-Only a few, such as tortoises, lizards and iguanas are herbivores.

REPRODUCTION

-They reproduce sexually.

-All of them are oviparous.

-Their eggs have an impermeable shell.

-Having eggs with a shell is a great advantage.

-They can lay them away from the water, this allows them to live in dry enviroments.

THE MAIN TYPES OF REPTILES