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The meaning of AMPHIBIAN is an amphibious organism; especially : any of a class (Amphibia) of cold-blooded vertebrates (such as frogs, toads, or salamanders) intermediate in many characters between fish and reptiles and having gilled aquatic larvae and air-breathing adults.
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).
Amphibians are a fascinating and diverse group of animals that play a crucial role in many ecosystems. These creatures live both in water and on land. Let’s explore their characteristics, life cycle, evolutionary history, and classification.
amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats.
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). Cold-blooded means that an amphibian can’t generate its own body heat.
AMPHIBIAN definition: 1. an animal, such as a frog, that lives both on land and in water but must produce its eggs in…. Learn more.
An amphibian 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. Frogs, toads, and salamanders are all amphibians.
What are amphibians? Amphibians are cold-blooded vertebrates that start their life in water before sprouting legs and walking on land. They have no scales, and they are carnivores. During reproduction, they release eggs that are fertilized outside of the body. What animals are amphibians? Most amphibians are frogs.
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.
am· phib· ia am-ˈfi-bē-ə. : amphibians. Word History. Etymology. borrowed from New Latin — more at amphibian. First Known Use. 1607, in the meaning defined above. Time Traveler. The first known use of amphibia was in 1607. See more words from the same year. Dictionary Entries Near amphibia. amphibalus. amphibian. See More Nearby Entries.