Example of a food chain of which fungi is a part?

You are probably familiar with fungi as mushrooms on pizza or mold on bread. In your kitchen, fungi are just tasty ingredients or a substance that ruins your leftovers. In an ecosystem, fungi play the role of decomposers -- they break down dead organic matter and return vital nutrients to the soil. Without fungi, nutrients would not cycle through an ecosystem, causing the breakdown of the entire food chain.

your answer is "the 1950's"