Most amphibians breathe with gills as larvae and with lungs as adults, and frogs are amphibians, iguanas and snakes are reptiles. Given these facts, what breathe with gills as larvae and lungs as adults among the following options:
- fish
 - snakes
 - frogs
 - salmon
 - breathe
 - bats
 - lungs
 - animals


 

   frogs      