Why are the successes in the study of the kingdom of prokaryotes closely related to the development and improvement of technology and optics?

The size of the bacteria is very small: from 1 to 10-15 microns. To study the structure, features of the reproduction of bacteria became possible only with the development and improvement of optics. For example, according to the nature, the form of accumulations and the features of the vital activity of bacterial cells, scientists can determine what kind of microorganism belongs to it.

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