martes, 1 de febrero de 2011

Reptiles



MAMMALS

They are the most inteligent creatures on the world.

They learn to adapt to many different climates.

There are tame and wild mammals.



They have got fur or hair.

The babies drink milk from their mother´s bodies.



They have got four limbs (arms, legs, flippers).

They are warm-blooded animals.

Most mammals grow inside their mothers and born alive.

They breathe air through lungs.


REPTILES.
They have dry and scaly skin.




They have short legs or no legs at all.


They breathe with lungs.


Reptiles are vertebrates because they have backbones.


Most reptiles hatch from eggs but not all do. Many snakes have live babies.


Many reptiles have claws on their feet.
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Reptiles that live in cold climates hibernate in winter.

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Most reptiles shed their skin as they grow.




Reptiles are all cold-blooded animals. When it is cold their bodies and blood become cold. And when it is hot their bodies and blood become warm.

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