What is true of all fungi? They are a. eukaryotic, heterotrophic plants. b. eukaryotic, parasitic plants. c. saprobic/decomposing plants. d. eukaryotic heterotrophs with cell walls. e. saprobic heterotrophs. Solution Answer: a. eukaryotic, heterotrophic plants. Fungi are non-chlorophyllous(absence of chloroplasts) plants. They are eukaryotes due to the presence of true nucleus. Fungi live as heterotrophic, parasitic, saprophytic, etc..