a text book of mycology and plant pathology or living a natural classi fication of fungi into saprophytes andparasites can be made a saprophyteaairpds rotten f vtov a plant is anyorganism which derives its chief foodsupply from dead or dead and decayinganimal or plant organic material whilea parasite irapaaltos one who lives at anothers expense is anorganism which exists at the expense of living animals or plantsfig 12 but some saprophytes may change their mode of nutri tion and become parasitic such saprophytes are called facultativeparasites while those which retain 2and8n0.jpg from hedacademy dérivés View Photo