You are presented with the question "An example of organisms that breathes with gills as larvae and with lungs as adults are" and the following answer choices: 
- mollusk
 - salmon
 - a fish
 - harmful
 - reptile
 - amoeba
 - frogs
 - arachnid

Now knowing that most amphibians breathe with gills as larvae and with lungs as adults and all frogs are amphibians, choose the best answer.


 

       frogs  