What is the essence and biological meaning of the sporulation process in bacteria?

What is the essence and biological meaning of the sporulation process in bacteria? How are bacterial spores different from plant spores?

Spore bacteria = a way to wait out unfavorable conditions. This is DNA wrapped in a bunch of membranes, separated from the cytoplasm. It leaves the cytoplasm and can wait up to 30 years for favorable conditions – a way to protect the genetic material.
In plants, the spore is the male gametophyte, a method of reproduction during the fertilization of eggs.



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