Lacking chlorophyll, fungi are unable to hold out photosynthesis and must get hold of vitamins by secreting enzymes onto the floor on which they're rising. These enzymes digest natural matter, forming solutions of nutrients that may be absorbed via the mycelium. Decomposition of natural matter by fungi results in the discharge of carbon, oxygen, nitrogen, and phosphorus into the soil or the environment. Essential to many food and industrial processes, fungi are used within the production of enzymes, organic acids, vitamins, and antibiotics. Fungi are additionally used as biological pesticide