Question: what is the smallest living thing

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  1. This i a great question and depends on how we define “living”.

    If we dont include viruses, then I would say a species of bacteria is likely to be the smallest.

    James?

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  2. Thanks Dustin 🙂
    Viruses are technically not alive so it is a bacterial cell. There is a species called mycoplasma but some people don’t actually agree it exists. We have seen something that some bacteriologists argue qualifies as a bacterial cell but, as I say, others disagree.
    It is very small and has a very small genome. It is approx one micrometer in diameter which is one one-thousandth of a millimeter.

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