The answer is D. All of these.
What is an organism?
- In biology, an organism (from Greek: ὀργανισμός, organismos) is any individual entity that embodies the properties of life. Organisms are classified by taxonomy into groups such as multicellular - humans, animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea.
- Hope it helps.
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