Sunday, February 6, 2011

Q: What are reptiles?

About 300 million years ago, some amphibians changed into reptiles. They could live on land all the time. Reptiles have backbones and scaly skin, and most lay eggs. Many reptiles such as crocodiles, spend lots of its time in the water, but they can't breathe underwater. They use the SUN to keep their bodies warm.

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