A microorganism (frae the Greek: μικρός, mikros, "smaa" an ὀργανισμός, organismós, "organism") is a microscopic livin organism, which mey be a single cell[1] or a multicellular organism.

A cluster o Escherichia coli bacteria magnified 10,000 times

References eedit

  1. Madigan M, Martinko J (editors) (2006). Brock Biology of Microorganisms (13th ed.). Pearson Education. p. 1096. ISBN 0-321-73551-X.CS1 maint: extra text: authors leet (link)