bacteria

noun B2

Meaning

Bacteria are microscopic single-celled organisms that can be found in various environments and play crucial roles in processes such as decomposition and digestion.
💡 A common mistake is to confuse "bacteria" (plural) with "bacterium" (singular).

Example Sentences

Bacteria can cause infections if they enter the human body .
Bacteria can sometimes make you sick if you don ’ t wash hands .
Bacteria play a crucial role in maintaining environmental balance .

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