You are presented with the question "How do some insects communicate?" and the following answer choices: 
- sound
 - sensory neurons
 - Decibels
 - electronic waves
 - progesterone
 - Vibrates
 - pheromones
 - radio waves

Now knowing that ants communicate with chemicals called pheromones and ants are of extreme importance in the insect world, choose the best answer.


 

       pheromones  