Each (both large and small) colony is carefully counted (using magnifying colony counter if needed). Each colony represents a “colony-forming unit” (CFU). For accurate counts, the optimum count should be within the range of 30-300 colonies/plate. To insure a countable plate a series of dilutions should be plated.
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Evaporation, condensation, transpiration, precipitation, groundwater, surface runoff
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Scientists have suggested that these examples of gigantism are possible because of the extreme cold found in these waters.