This article throws light upon the five categories of organisms found in soil. The categories are: 1. Animalia 2. Protista 3. Plantae 4. Fungi 5. Monera. Soil Microorganism: Category # 1. Animalia: The large animal life-Animalia (Previously macro-faunae)-that inhabit the soil range in size from large burrowing animals, such as badgers to tiny arachnids mites. […]