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What Is an Amphibian? 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. The term “amphibian” is derived from the Greek words “amphi” (both) and “bios” (life), reflecting their dual lifestyle.
amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats.
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 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...
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.
Amphibians are a class of cold-blooded vertebrates made up of frogs, toads, salamanders, newts, and caecilians (wormlike animals with poorly developed eyes).
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 are cold-blooded vertebrates (vertebrates have backbones) that don’t have scales. They live part of their lives in water and part on land.
amphibian, Any member of a class (Amphibia) of cold-blooded vertebrate animals that includes more than 6,200 species in three groups: frogs and toads (order Anura), salamanders (order Caudata), and caecilians (order Gymnophiona).
Amphibians are cold blooded which means they become the same temperature as their surroundings. So when it's hot, they're hot. And when it's not, they'll hibernate for the winter.