Question

characteristics of amphibia ​

Answer 1

The first amphibians arose about 370 million years ago; since then, they have diverged into more than 7,000 species worldwide. The three major amphibian clades -- frogs, salamanders and the worm-like caecilians -- have each diverged greatly, but share several common characteristics.

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Answer 2

Characteristics. Amphibians are cold-blooded animals, meaning they do not have a constant body temperature but instead take on the temperature of their environment. They have moist, scaleless skin that absorbs water and oxygen, but that also makes them vulnerable to dehydration (loss of bodily fluids).

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