You are presented with the question "What is the most durable species that breathes with gills as larvae and lungs as adults?" and the following answer choices: 
- Snakes
 - Salamanders
 - edible
 - salmon
 - Oak
 - Frogs
 - Lizards
 - a fish

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


 

      Frogs   