- 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
- 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
- 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 – 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
- Amphibians: Species Guide, Life Cycles and Adaptations
Amphibians are tetrapod vertebrates belonging to the class Amphibia, characterized by their unique dual-life adaptation to both aquatic and terrestrial environments With approximately 8,400 known species, amphibians inhabit diverse ecosystems across all continents except Antarctica
- 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
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