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 …

Nov 14, 2025 · amphibian, (class Amphibia), any member of the group of vertebrate animals characterized by their ability to exploit both aquatic and terrestrial habitats.

2 days ago · The term ‘amphibian’ is derived from the Greek word ‘amphíbios,’ meaning ‘both kinds of life,’ referring to their ability to inhabit terrestrial and aquatic environments. About 8,000 species of …

Mar 13, 2024 · 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 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...

Explore facts and photos about amphibians found in the United States. Learn about their range, habitat, diet, life history, and more.

What is an amphibian - Learn about their characteristics, what habitat they live in, examples and list of amphibians with names and pictures

Feb 28, 2025 · More than 6,000 amphibian species exist worldwide, with approximately 300 of them found in the United States. In response to indications of declines of amphibian populations …

"Amphibian" comes from the Greek "amphi-" and "bios" meaning "of both or double kinds" and "life" or "living", referring to the generalized life history trait of amphibians undergoing metamorphosis from …

Feb 6, 2025 · What is an Amphibian? An amphibian is a cold-blooded vertebrate that can live both in water and on land. Amphibians, including frogs, toads, and salamanders, undergo metamorphosis …