You are presented with the question "What do ants use to communicate?" and the following answer choices: 
- nerves
 - heat energy
 - sound
 - binary code
 - light energy
 - Antennae.
 - megaphones
 - hand signals

Now knowing that ants communicate with chemicals called pheromones and ants use receptors on their antennae to follow recruitment pheromone trails, choose the best answer.


 

      Antennae.   