Colonies are distinct groups of organisms living in close proximity.
What are bacterial colonies?
Colonies relate to bacterial cells because bacterial cells hardly grow individually in or on their growth media or substrates.
Bacteria grow in distinct colonies with each colony belonging to a single species of organism (pure colony) or a mix of different species (mixed colony).
Colonies are important to the study of microbiology because their morphology can be used to identify the kind of organism. In other words, colonies can be used to identify microbes.
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