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Young Amphibians Breathe With. Tadpoles and some aquatic amphibians have gills like fish that they use to breathe. Amphibians are vertebrates (animals with backbones) which are able, when adult, to live both in water and on land.
When tadpoles metamorphose into frogs, they cease breathing with gills and start breathing with from www.pinterest.com
Oxygen passes through the porous shell (i.e. Their epidermis is very thin and permeable for the gas exchange, which allows these animals to breathe almost exclusively through it. As long as it remains moist, gases can easily transfer through the skin.
When tadpoles metamorphose into frogs, they cease breathing with gills and start breathing with
Some mammals, like dolphins, can breathe underwater. An amphibian life cycle, however, is quite different. Reptiles, both adult and young ones, cannot breathe via their skin and rely on pulmonary respiration as their main means of breathing. Reptiles and amphibian’s differences are partic ularly visible in the stages of life.
