Ants and other social animals act and react based on signal communication, and net result is that whole colony has behavior patterns {swarm intelligence}. Ants leave pheromone trails. Pheromone evaporates over time. Ants taking shorter trails go from nest to food, and vice versa, more often, leaving more pheromone. Higher pheromone concentration attracts more ants. As they consume food, ants have less excitement and leave less pheromone, and fewer ants take that path, allowing ants to move more randomly and find other food sources farther away.
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Date Modified: 2022.0224