You are presented with the quiz "Most salamanders find mates by what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most salamanders use their sense of smell to find a mate" and "an odor, by definition, is a sensation, stimulation or perception of the sense of smell". 

So, what's the best answer to the question?


 

 perceiving odors          