How in different environments bacteria can move 1 millimeter, 10 millimeters, 1 kilometer, 1000 kilometers? Come up with examples.

The speed of movement of bacteria depends on the presence of locomotion organs, the viscosity of the habitat, the acidity of the habitat, etc.
Modes of movement of bacteria: wave-like contractions of the body, flagella, mucus on the body, the presence of gas vacuoles in the cytoplasm of cells. Bacteria move at a speed of 2-11 microns per second, with flagella -30 microns per second. In viscous media, bacteria move for short distances, and in liquid media, for larger ones. On average, bacteria move a distance equal to their body length.
Bacteria move at different distances depending on the environment in which they live: if liquid flows from the walls of a vessel, glass, then by several cm; if coughing – a few meters; if by the wind – by several tens of meters; if by some kind of transport – for many kilometers.

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