Fill in the table “The role of bacteria in nature and human life.”

Bacteria group Habitat Value
Rotting Spoiled foods, dead organisms Orderlies of the planet
Soil The soil The formation of minerals
Pathogenic Organism No good
Nodule The soil Improve soil fertility
Lactic acid Organism, various fluids Microflora of the gastrointestinal tract, dairy products
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.