Use the drop-down menus to determine whether a bacterial example is beneficial or harmful to humans.
Coriariaceae coriaria is a species of bacteria that helps convert nitrogen into a form
usable by plants.
Mycobacterium tuberculosis is a species of bacteria that causes the disease tuberculosis
in people.
Lactobacillus acidophilus is a species of bacteria that is found in yogurt and can help
people improve their digestion.
Lactobacillus sanfranciscensis is a species of bacteria that makes the sour flavor in
sourdough bread. It gets its name from San Francisco, where a great deal of sourdough bread is
made.
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