Fact 1: Most amphibians breathe with gills as larvae and with lungs as adults.

Fact 2: All frogs are amphibians.

Given the two facts above, answer the question "An example of organisms that breathes with gills as larvae and with lungs as adults are" with the following options: 
- mollusk
 - salmon
 - a fish
 - harmful
 - reptile
 - amoeba
 - frogs
 - arachnid


 

       frogs  