Each of the following organisms would be considered a microbe EXCEPT a mushroom (Option a).
- A microorganism or microbe is a living thing, i.e., a biological system composed of cells, that consists of one single cell (unicellular).
- Microorganisms include prokaryotes such as bacteria and single-celled eukaryotes (i.e., organisms from the Protista kingdom).
- Plants are multicellular organisms composed of many cells, and a mushroom is a plant.
In conclusion, each of the following organisms would be considered a microbe EXCEPT for a mushroom (Option a).
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