+Amphibians are a class of [vertebrates](/wiki/vertebrate) known for their dual existence, often beginning life in water before undergoing [metamorphosis](/wiki/metamorphosis) for terrestrial adult stages. Their moist, permeable skin requires damp environments, linking them intimately to both land and aquatic realms.
+## See also
+- [Frog](/wiki/frog)
+- [Salamander](/wiki/salamander)
+- [Reptile](/wiki/reptile)