Describe how carbon cycles through the living and nonliving parts of an ecosystem

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?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Diagram of the evolution of land plants?