Fill in the Blanks AmphibiansOnline version Amphibians: fill gap activity. by javier garcia 1 cold webbed gills land oviparous wet bare four water lungs Amphibians can live on and in . When they are young , amphibians use their to breathe , but when they are adults , amphibians use their to breathe . They are . They have got legs and skin . Amphibians have got feet . They are - blooded . Amphibians have skin .