Tuesday, November 16, 2010

The animal kingdom


Scientists classify that the animal kingdom is made of categories like invertebrate and vertebrates. They were sorted out into groups to look at the characteristics.

Vertebrate are the animals with backbones there are five different types like reptiles, birds, amphibians, fish and mammals. Mammals are warm-blooded, hair, young inside the mother

And did you know that 97% of the animal kingdom is comprised of seven main groups. Three of these categories of invertebrates are arthropods, molluscs and annelida

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.