The term mutualism refers to a relationship in biology or sociology that is mutually beneficial to two living things. This relationship can be within the species, between living things from two different species, between individuals in a society and between two societies.
The predator prey relationship consists of the interactions between two species and their consequent effects on each other. In the predator prey relationship, one species is feeding on the other species. The prey species is the animal being fed on, and the predator is the animal being fed.
