Word: tschlii
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...populations are held in check, however, by competition, lack of food, poisons, etc. At a moderate estimate, 30 trillions of bacteria are excreted from one human body each day. Yet these 30 trillions weigh, on the average, only two ounces. The biggest known microbe is the bacillus bütschlii (found in the cockroach), which may be 50 microns (one 500th of an inch) in length and about one-tenth as wide. Among the smallest is the bacillus influenzae (0.8x0.3 microns), although the filterable viruses are believed to consist of ultramicroscopic organisms very much smaller. The most active bacteria...
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