The purpose of is making more cells to repair wounds and replace dead cells, for asexual reproduction of single-celled eukaryotes, and for growth during development.

Mitotic cell cycle

Explanation:

Mitosis is the process by which one cell becomes two daughter cells after division. These daughter cells are identical to their parent cell.

So through mitosis, many cells can be produced from single cells therefore all eukaryotic organisms use mitosis to grow in size and to replace the old cells, dead cells, and damaged cells. So mitosis process is important in growth and development of eukaryotes.

Some asexual eukaryotic organisms use the process of mitosis to reproduce and grow for example hydra and yeast reproduce by mitosis and produce genetically same offsprings. So the correct answer is mitotic cell division.

layer 3 is younger than layer 6.