Amphibians

Definition of Amphibians as it relates to Animals, Birds, Animal Types

Amphibians are a class of cold-blooded vertebrates characterized by their ability to live both in water and on land during different stages of their lives. They undergo a unique life cycle, called metamorphosis, which involves transforming from aquatic larvae into terrestrial adults. This process often includes the development of lungs for breathing air and the loss of external gills. Amphibians are found worldwide and include three main orders: Anura (frogs and toads), Caudata (salamanders and newts), and Gymnophiona (caecilians). They play important roles in ecosystems as both predators and prey, and many species are indicators of environmental health. Amphibians are also known for their diverse and often vibrant coloration, as well as their permeable skin, which allows them to absorb water and oxygen directly from the environment.

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