Fungi act as parasites and feed on living things, usually doing some degree of harm. Parasitic fungi use enzymes to break down tissues. In return the host tree supplies the fungus with sugars, vitamins and other root substances. Endomycorrhizal fungi are microscopic soil fungi that penetrate the cells of plant roots. This relationship may be beneficial to both parties or may be harmful to the plant.
Fungi decompose dead plant and animal matter.
These saprophytes act as recyclers of dead organic matter, obtaining food from this material. Hyphal tips release enzymes that eventually decompose and release organic materials into the surrounding environment. Saprophytic fungi appear on dead trees, logs, plant litter such as leaves, and even dead insects and animals. Scoring criteria Ringworm is a fungal infection of the skin. Search the Encyclopedia Britannica for information to write at least two paragraphs explaining the ringworm infection and how it is contracted.