Instead , each ant reacts to stimuli in the form of chemical scents from larvae , other ants , intruders , food and buildup of waste .
Instead , each ant leaves behind a chemical trail , which , in turn , provides a stimulus to other ants .
Instead , each ant reacts to stimuli in the form of chemical scents from larvae , other ants , intruders , food and buildup of waste , and leaves behind a chemical trail , which , in turn , provides a stimulus to other ants .