leave cutter ants cultivate fungus. the ants keep conditions optimal for fungus growth and carry leave fragments for the fungus to grow on. then the ants feed on peices of fungus. what kind of relationship exisits between the fungus and the ants

The relationship between the fungus and the ants is mutualistic. Both organisms benefit from their association with each other. The ants provide optimum conditions for the fungus to grow and thrive, while also supplying it with leaf fragments as a source of nutrition. In return, the fungus provides the ants with a food source as they feed on the cultivated pieces of fungus.