This could be a mutualism rather than a commensal relationship because when<span> "cleaner fish" consume parasites and mucus from the skin of larger fish, they don't only receive food from the relationship, eliminating parasite and such from the large fish, but also they gain protection from predators, thus making the relationship a good example of mutualism, because both parts of the relationship gain something from the relationship itself. </span>
The cells would cease to function <span>after a relatively short amount of time (a few years at best, depending on the amount of cells that part normally has). A living being's body parts would also never grow. They would stay the same size since they were born. The only good result is that without mitosis, cancer wouldn't occur.</span>