Mammals give birth to young ones and have hair on their skin. They are also warm blooded and they have backbone. Reptiles are cold-blooded animals with a coarse skin with no backbone.
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The Brainliest Answer!
Mamals are the backbone creature like humans.....but in the case of was a backbone less creatures.......mamals are warm blooded while reptiles are cold blooded..mamals can live in variety of temperetures...but reptiles have their own tempereture........
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