The line of evidence would support a hypothesis that a newly discovered bacterium is a cyanobacterium is it is able to form colonies and produce oxygen. Cyanobacteria generate oxigen.
Cyanobacteria are a special type of bacteria capable of generating oxygen by a process called photosynthesis.
Photosynthesis is a series of reactions by which some types cells can generate oxygen and simple carbohydrates by using the energy from the sun.
Cyanobacteria are also called blue-green algae and these microorganisms are able to form colonies.
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