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Microorganisms are tiny living organisms that can only be seen under a microscope. They play a crucial role in various ecological processes, such as decomposition, nutrient cycling, and even human digestion.
Decomposers are microorganisms that break down dead plants and animals into simpler substances, returning nutrients back to the environment.
Prokaryotes: Prokaryotes are a type of microorganism that lack a nucleus and other membrane-bound organelles. Bacteria are an example of prokaryotes.
Pathogens are harmful microorganisms that can cause diseases in humans, animals, or plants. Examples include bacteria, viruses, and fungi.