Various chemicals in different organisms have diverse functions. The effects of a particular chemical may be different from one organism to another. Among these chemicals that affect organisms are pheromones.These pheromones are actually chemicals that work outside the body of animals. They function by sending signals to other animals, usually as a signal for mating, stress, or danger. However, not all animals are known to emit pheromones. Below are some of the animals which have been observed to use pheromones.

Insects.Despite the very small size of insects, many of them use pheromones for a variety of purposes. Some insects like ants and honeybees have alarm pheromones that tell other members of their species so that they can help…



Source by eula wyatt