Question

Of what use are their legs of these animals?
what helps frogs to breathe underwater? of what use are the long hind legs of a frog?
why doesn't a duck get wet in water?

Answer 1

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The longer legs of aquatic frogs, coupled with the extensive webbing between their toes, give these water-lovers a real swimming advantage, just as swimming flippers designed to mimic the frog foot help humans swim better.