Pheromones are used by some animals in -?

Pheromones are chemical signals used by some animals for communication, often to convey information related to mating, territory, and alarm. For example, many insects, such as ants and bees, release pheromones to attract mates or signal danger to others in their colony. In mammals, pheromones can influence social behaviors and reproductive cycles. Overall, these chemical cues play a crucial role in the survival and social organization of various species.