Fungi and bacteria are not shown in this food web but play a role in this ecosystem. Describe the role of fungi and bacteria in this food web. I need information but like exact but just a random guess please

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water