Fact 1: Ants communicate with chemicals called pheromones.

Fact 2: Pheromones are insect hormones.

Given the two facts above, answer the question "How do ants communicate?" with the following options: 
- With their voice
 - Chemical energy
 - mechanical waves
 - With their eyes
 - during the day
 - With their movements
 - With their hormones
 - electrically


 

       With their hormones  