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Skins

what are amphibians
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What Are Amphibians?

The word amphibians comes from two Greek words: amphi meaning “of both kinds” and bios meaning “life”. Amphibians are a class of vertebrate

how is leather made
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How Is Leather Made?

How Is Leather Made? Leather is made from the skins or hides, of such animals as cows, sheep and goats. The skins are made into leather by a

why do toads have warts
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Why Do Toads Have Warts?

The function of the bumps on the skins of toads has been speculated to be to help the animal to blend more effectively into its environment