Final answer:
The main function of mitosis in organisms is the growth of new cells and the repair of damaged cells, and it is also involved in asexual reproduction in some organisms.
Step-by-step explanation:
The main function of mitosis in organisms is the growth of new cells and the repair of damaged cells.
Mitosis is a type of cell division that occurs in the body's somatic cells, which are the non-reproductive cells. It produces two daughter cells that are genetically identical to the parent cell. These cells can then grow and replace worn-out or damaged cells in the body.
In addition to growth and repair, mitosis is also involved in asexual reproduction in some organisms where new individuals are produced without the need for fertilization.