1 producers, such as aquatic plants and algae, carry out photosynthesis to provide oxygen and required organic matter for the consumers mentioned below.
Consumers, such as small fish, shrimp, water snails, etc.
3 decomposers, such as bacteria, fungi, actinomycetes and other organisms with decomposition ability. They exist in soil, and can decompose complex organic matter in animal and plant residues into simple inorganic matter, and release them into the environment for reuse by producers.
Specific operations can be searched online, and there are many more.
With the progress of life, work, study and life are inseparable from computers. Office workers often face computers, which will make