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71The Four Groups of Reptiles
Reptiles are scale covered, air breathing, cold-blooded vertebrates. Then can be found in all types of habitats with the exception of the polar ice of Antarctica. Reptiles are classified into four groups or orders known as Crocodilia, Squamata,...
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69A Brief Evolution of Reptiles
Evolution is the theory that all plants and animals developed by gradual changes to previous forms of life. Charles Darwin and A.R. Wallace created the first concept of evolution, but today their theory has...
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