ocr: FUNGI LTHOUGH some fungi, such dead and decaying materials. Some are A. as yeasts, are one-celled and animal or plant parasites. Mushrooms microscopic, most are multicellular and toadstools are probably the most (made up of many cells) and visible. well-known fungi. Their hyphae grow The cells are linked together in under the soil and send at thread called a hypha. Lots of up fruiting bodies (such as hyphae make up a mycelium. mushrooms) that produce This is the main part of the spores. Spores are one-celled fungus. Most fungi are saprotrophs, reproductive structures that which means that they ...