Question

what is bacteria . explain

Answer 1

The word bacteria is the plural of bacterium. ...Bacteria are tiny single-cell microorganisms, usually a few micrometers in length that normally exist together in millions. A gram of soil typically contains about 40 million bacterial cells. A milliliter of fresh water usually holds about one million bacterial cells.

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Answer 2

bacteria are vegetable organisms ,little rods , shaped plants which exist in the air ,water and soil and in bodies of plants and animals.