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  • Amphibian - 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, but excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds and mammals)
  • Amphibian | Characteristics, Life Cycle, Facts | Britannica
    amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats
  • Amphibians – Definition, Examples, Characteristics
    Amphibians are ectothermic (cold-blooded) vertebrates that belong to the Class Amphibia A defining characteristics is their ability to live both in aquatic and terrestrial environments
  • Amphibian Pictures Facts | National Geographic
    Amphibians are small vertebrates that need water, or a moist environment, to survive The species in this group include frogs, toads, salamanders, and newts All can breathe and absorb water
  • What Are Amphibians? (Definition And Examples) - Amphibian Life
    Amphibians are cold-blooded, vertebrate animals that have an aquatic phase of life (spent in water, breathing through gills) and a terrestrial phase of life (living on land, breathing with lungs)
  • 18+ Amphibians Examples
    Amphibians are a class of vertebrates that include frogs, toads, salamanders, and newts They are unique for their ability to live both in water and on land Amphibians typically undergo metamorphosis from an aquatic larval stage to a terrestrial adult stage
  • Amphibian - Definition, Examples, Characteristics, and Life Cycle
    Amphibians are a group of cold-blooded tetrapods (four-limbed vertebrates), except those with an amniotic membrane (the amniotes) They are a paraphyletic group belonging to the class Amphibia
  • Amphibians - National Wildlife Federation
    Explore facts and photos about amphibians found in the United States Learn about their range, habitat, diet, life history, and more
  • Amphibians | U. S. Geological Survey - USGS. gov
    Named for their dual existence – they live partly in water, partly on land – amphibians are found on every continent except Antarctica and reside in a variety of habitats including wetlands, rainforests, rivers and streams, deserts, and mountains
  • Amphibian Fact | Definition, Characteristics, List of Types
    Amphibians are cold-blooded vertebrates belonging to the class Amphibia, including all frogs, toads, salamanders, newts, and caecilians They spend part of their lives in water and the rest mostly on land





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