The fungus is a huge family, it's everywhere. Now, there are about 100,000 known fungi. Fungus plant structure is simple, have no root, stem, leaf and other organs, generally do not have chlorophyll and other pigment, most of the campal heterotrophic life. Fungus plants can be divided into bacteria door, mycorrhizal door and fungi door, and they are not related to each other. The slime mold is a creature between animals and fungi. It is a naked, non - cell wall, multicore protoplasm in the vegetative period, which is called a metamorphic form (similar to amoeba). But in the breeding period, it can produce the spores of cellulose cell wall, and the character of fungi.