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Learn about amphibians, the small vertebrates that need water or a moist environment to survive. See photos, videos, and stories of frogs, toads, salamanders, newts, and caecilians.
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).
1 de sept. de 2021 · Learn about different amphibian species from around the world with this comprehensive list. Find out their scientific names, habitats, conservation status and more.
1 de oct. de 2020 · ¿Qué son los anfibios? Los anfibios actuales son animales vertebrados tetrápodos no amniotas, siendo esta la principa definición de anfibios. Esto quiere decir que poseen un esqueleto óseo, tienen cuatro patas (de ahí la palabra tetrápodos) y ponen huevos sin membranas protectoras.
Los anfibios ( Amphibia, del griego ἀμφί, amphí ('ambos') y βίος, bíos ('vida'), que significa «ambas vidas» o «en ambos medios») son una clase de animales vertebrados anamniotas (sin amnios, al igual que los peces ), tetrápodos, ectotérmicos, con respiración branquial durante la fase larvaria y pulmonar al alcanzar el estado adulto. 1 2 A d...
29 de may. de 2024 · Learn about amphibians, the vertebrate animals that can live in water and on land. Find out how they evolved, what they look like, and how they reproduce in this comprehensive article from Britannica.
28 de oct. de 2022 · Learn about amphibians, the vertebrates that can live both on land and in water. Discover their unique traits, different types, and see photos of various amphibians.
