or chemolithoheterotroph . Evidence suggests that some fungi may also obtain energy from radiation. Such radiotrophic fungi were found growing inside a reactor of the Chernobyl nuclear power plant . Flowchart Autotroph Chemoautotroph Photoautotroph Heterotroph Chemoheterotroph Photoheterotroph From Yahoo Answers Question: r they considered as a mode of nutrition such as autotrophic or heterotrophic?