What is the biological meaning of mitosis and meiosis?

Mitosis is cell division. This is the continuation of the existence of living organisms, bacteria, for example, divide in this way.
Meiosis is also cell division, but not 2 cells are already formed, as in mitosis, but 4 (2 repeated divisions) Basically, germ cells, including plants, divide by meiosis. The biological meaning is the continuation of the existence of cells, because … they are not eternal.



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