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Amphibians are ectothermic, tetrapod vertebrates o the class Amphibia (Greek ἀμφí, amphi, "both" + βíος, bios, "life"). Thay inhabit a wide variety o habitats wi maist species livin within terrestrial, fossorial, arboreal or freshwatter aquatic ecoseestems.
The warld's smawest kent vertebrate, Paedophryne amauensis, sittin on a U.S. dime, 17.9 mm, for scale Amphibians are ectothermic, tetrapod vertebrates o the class Amphibia (Greek ἀμφí, amphi, "both" + βíος, bios, "life"). Thay inhabit a wide variety o habitats wi maist species livin within terrestrial, fossorial, arboreal or freshwatter aquatic ecoseestems.
