A lot of the microbes we show you are completely naked, but the test amoeba is a bit more modest.

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SOURCES:
https://www.nature.com/articles/s4159...
https://www.researchgate.net/publicat...
https://www.arcella.nl/genus-arcella/
https://ucmp.berkeley.edu/protista/te...
https://www.journals.uchicago.edu/doi...
http://tolweb.org/Difflugia/124487
https://link.springer.com/article/10....
https://www.sciencedirect.com/science...