key term - Microorganisms

Definition

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.

Related terms

Decomposers:

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:

Pathogens are harmful microorganisms that can cause diseases in humans, animals, or plants. Examples include bacteria, viruses, and fungi.