The term Symbiosis describes a partnership between individuals of two different species, in which both gain. The term was first used in 1879 by the German mycologist Heinrich Anton de Barry, who defined it as "the living together of unlike organisms".
Animals form symbiotic partnerships with other animals, with plants and with microorganisms.
Orange Clownfish form symbiotic relationships with sea anemones; the anemones help the fish by protecting it from predators and the fish helps the anemone by feeding it, increasing oxygenation and removing waste material.
Associated Terms: Symbiotic, Mutualism