martes, 22 de febrero de 2011

Animals Groups_Amphibians

  • Amphibians are cold blooded.


  • They spend part of their live under the  water and part of their live on land.
  • They lay jelly-covered eggs in the water.
http://ecolibrary.org/images/full_image/Tadpoles_developing_in_eggs_on_leaf_DP822.jpg
  • Baby amphibians live in water and breathe with gill.


  • An amphibian skin is moist
http://www.xlaevis.com/images/lesionsclose.jpg


  • They vertebrates because the have backbones.
http://static-p3.fotolia.com/jpg/00/11/19/70/400_F_11197086_GenA4HIGfWsx77t3aOFUiHxtLNhh0GH7.jpg

  • They have four legs, two of which can be used for jumping (frog, toad).



  • Some amphibians have four legs and one tail (newts, salamanders)




  • Amphibians that live in cold climates hibernate during the winter.

  • Some amphibians dig deep burrows to stay moist.

  • A toad con puff  itself up to look larger than it really is.




  • There is a frog that is as small as a dime.



  • There is a frog that is as bigger as a football.

Animals Groups_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.

martes, 15 de febrero de 2011

Animals Groups_Birds

  • The birds have got feathers.
  • all the birds have got two legs and wings.


  • Birds have a beak.

  • They lay eggs.The young hacht from the egg.


  • They are warm-blooded.



  • Birds breathe faster than mammals and body are warmer.




  • Birds give us meat and eggs.(chicken,turkey...)





  • Some of them are good pets(parrot,canary...)


  • The birds of prey can eat some mammals.Birds also eat little reptiles,insects,other birds and some fishes.


  • They have got hollow bones filled with air.It help them to fly.


  • There are bird that migrate.They fly to the south to escape the cold winters.

sábado, 12 de febrero de 2011

Animals groups_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.





  • Reptiles that live in cold climates hibernate in winter.



  • Most reptiles shed their skin as they grow.




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