Nutrition is the process of utilizing and obtaining nutrients from the food we eat.
The utilized energy is then converted to energy for doing various life processes.
Nutrition in fungi:
Fungi show heterotrophic node of nutrition because of the absence of chlorophyll. They cannot perform photosynthesis and thus depends on other organisms for their food.
Fungi are saprophytes which means they rely on dead and decaying organic matter for their food.
Fungi are thus said to be free-living in soil or water as decomposers or parasitic. They live in symbiotic association with other plants and animals.
Final answer: Fungi show saprophytic mode of nutrition.