Fact 1: Hearing is used for sensing sound by animals.

Fact 2: Animals utilize sound to localize mates and avoid approaching predators.

Given the two facts above, answer the question "Which sense do animals use to avoid predators?" with the following options: 
- Neuron.
 - taste
 - hearing
 - hormones
 - sense of humor
 - retina
 - the eyes
 - deafness


 

   hearing      