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Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

What are some natural processes that represent physical and chemical changes?