Describe the most important adaptations in reptiles that allowed them to make a complete transition from water to land environment.

Important adaptations in reptiles that allowed them to make a complete transition from water to land environment.

Skin

Reptile skin contains keratin, a water-resistant substance that maintains hydration. Reptiles also have scales to keep in moisture and help avoid skin damage, though the scales are sometimes too small to be visible. This feature is most evident in turtles, whose scales fuse to form a shell, while you can see a bird’s scales on its feet _________ ______ _____ _________ _____.
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