1.4. Animals and Skeleton

IDevice Icon 1.4. Animals and skeleton

LISTEN AND READ

 



  • The animals with a skeleton are vertebrates. They are mammals, birds, reptiles, amphibians and fish.
  • The animals without a skeleton are invertebrates. The most important are the insects but there are a lot of invertebrate animals such as crabs, earthworm, mussel, etc...

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Andrés Egea - Yolanda Marcos 2008