You are presented with the question "Some insects communicate with what detected by their antennae?" and the following answer choices: 
- chemicals
 - sound
 - microwaves
 - radio waves
 - flash cards
 - Decibels
 - wave in air
 - Vibrates

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.


 

 chemicals        