Question

what are bacteria ? answer fast

Answer 1

Bacteria are simple living organisms which are found all around us.
They are mostly single celled tiny organisms, but they live together in colonies of millions.

Most of them are harmless but some are harmfull, causing diseases like cholera.

Answer 2

Bacteria are a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organised nucleus, including some which can cause disease.

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