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  1. Dictionary
    am·phib·i·an
    /amˈ(p)fibēən/

    noun

    • 1. a cold-blooded vertebrate animal of a class that comprises the frogs, toads, newts, and salamanders. They are distinguished by having an aquatic gill-breathing larval stage followed (typically) by a terrestrial lung-breathing adult stage.

    adjective

    • 1. relating to amphibians: "reptile and amphibian biology"

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  2. www.merriam-webster.com › dictionary › amphibianAmphibian Definition & Meaning - Merriam-Webster

    An amphibian is an organism that can live both on land and in water, especially a cold-blooded vertebrate such as a frog or a salamander. Learn more about the word history, examples, synonyms, and related entries of amphibian from Merriam-Webster.

  3. www.amphibianlife.com › what-are-amphibiansWhat Are Amphibians? (Definition And Examples) - Amphibian Life

    Feb 18, 2023 · Amphibians are cold-blooded, vertebrate animals that can live both in water and on land. Learn about their features, categories, and how they differ from reptiles and turtles.

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  5. dictionary.cambridge.org › dictionary › englishAMPHIBIAN | English meaning - Cambridge Dictionary

    An amphibian is an animal or a vehicle that can live or operate on land and in water. Learn more about the different types of amphibians, their characteristics, and their uses with Cambridge Dictionary.

  6. sciencenotes.org › amphibians-definition-examplesAmphibians - Definition, Examples, Characteristics - Science...

    Mar 13, 2024 · Amphibians are ectothermic vertebrates that can live both in water and on land. Learn about their characteristics, life cycle, evolution, and classification with examples and a table comparing them with other vertebrates.

  7. www.britannica.com › animal › amphibianAmphibian | Characteristics, Life Cycle, & Facts | Britannica

    May 29, 2024 · Amphibians are vertebrates that can live in water and on land. Learn about their evolution, diversity, and unique traits, such as moist skin, double-channeled hearing, and pedicellate teeth.

  8. en.wikipedia.org › wiki › AmphibianAmphibian - Wikipedia

    Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals ).

  9. www.nationalgeographic.com › animals › amphibiansAmphibian Pictures & Facts - National Geographic

    Learn about amphibians, small vertebrates that need water or a moist environment to survive. See photos, videos, and stories of frogs, toads, salamanders, newts, and caecilians.