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 …

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.

2025年1月16日 · amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats.

2024年3月13日 · 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.

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.

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.

2024年7月9日 · 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.

AMPHIBIAN meaning: 1. an animal, such as a frog, that lives both on land and in water but must produce its eggs in…. Learn more.

any cold-blooded vertebrate of the class Amphibia, typically living on land but breeding in water. Their aquatic larvae (tadpoles) undergo metamorphosis into the adult form. The class includes the newts and salamanders, frogs and toads, and caecilians. 2. 3. 5. Collins English Dictionary. Copyright © HarperCollins Publishers.