enlist the charter of amphibians
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amphibians are a class of animals that have back bone and inhabit both land and water....Defining characteristics of these creatures include moist , scale less skin and the fact that they are cold-blooded.Amphibians absorb water and undergo gas exchange through their skin
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Amphibians are ectothermic, tetrapodvertebrates of the class . Modern amphibians are allLissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial,arboreal or freshwater aquatic ecosystems. Thus amphibians typically start out as larvae living in water, but some species have developed behavioural adaptations to bypass this. The young generally undergometamorphosis from larva with gills to an adult air-breathing form with lungs. Amphibians use their skin as a secondary respiratory surface and some small terrestrial salamanders andfrogs lack lungs and rely entirely on their skin. They are superficially similar to lizards but, along with mammals and birds, reptiles are amniotes and do not require water bodies in which to breed. With their complex reproductive needs and permeable skins, amphibians are often ecological indicators; in recent decades there has been a dramaticdecline in amphibian populations for many species around the globe.
Amphibians are ectothermic, tetrapodvertebrates of the class . Modern amphibians are allLissamphibia. They inhabit a wide variety of habitats, with most species living within terrestrial, fossorial,arboreal or freshwater aquatic ecosystems. Thus amphibians typically start out as larvae living in water, but some species have developed behavioural adaptations to bypass this. The young generally undergometamorphosis from larva with gills to an adult air-breathing form with lungs. Amphibians use their skin as a secondary respiratory surface and some small terrestrial salamanders andfrogs lack lungs and rely entirely on their skin. They are superficially similar to lizards but, along with mammals and birds, reptiles are amniotes and do not require water bodies in which to breed. With their complex reproductive needs and permeable skins, amphibians are often ecological indicators; in recent decades there has been a dramaticdecline in amphibian populations for many species around the globe.
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