Water.Frogs, toads, and salamanders are all amphibians.They are distinguished from other animals by having an aquatic gill-breathing at larval stage followed by a terrestrial lung-breathing adult stage.This is a very unique feature of the amphibians.
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Amphibians is a cold-blooded vertebrate animal that is born in water and breathes with gills. As the larva grows into its adult form, the animal's lungs develop the ability to breathe air, and the animal can live on land. Thus they are also described as animals which can live both on land and in