Answer: A chemical substance produced and released into the environment, especially a mammal or insect.
Step-by-step explanation:
A pheromone is a chemical that an animal produces which changes the behavior of another animal of the same species. Some describe pheromones as behavior-altering agents. ... Pheromones, unlike most other hormones, are ectohormones . They are secreted outside the body, and they influence the behavior of another individual.