You are presented with the quiz "In a location, what disappears first when disturbance increases?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if humans disturb animals in a location then those animals will move to a different location" and "these animals are the first to disappear as human disturbance increases". 

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


 

        animals   