Explain TWO examples of fungal interactions with other species Solution Different types of fungi interact with surrounding species differently. · In the plant-fungus interaction, some fungi are found to be mutualistic. Thus, the fungal roots serve as a symbiotic relationship between both plants and fungi. In contrast to these mutualistic fungi, there are also the parasitic fungi. Another case is the saprotrophic fungi, which obtain their nutrients from dead organic matter, such as leaf litter, dung, soil, dead animals etc. Main outcome of the various interactions with fungi is disease. Fungi cause many serious plant diseases. They cause diseases in animals, including human beings..