what are amphibians? State the characteristic of animal or of class amphibian.
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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).
Vertebrate: An animal having a spinal column.
Invertebrate: An animal lacking a spinal
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