Organisms need to be able to stop cell division when the cell in question is damaged/Organismes moet seldeling kan stop wanneer die betrokke sel beskadig is

To start up cell division when growth or wound healing are needed/Om seldeling te begin wanneer groei of wondgenesing nodig is

To stop cell division when there isn’t enough food to support new growth/Om seldeling te stop wanneer daar nie genoeg kos is om nuwe groei te ondersteun nie

Organisms need to be able to reproduce sexually/Organismes moet seksueel kan voortplant

Organisms need to produce enough nutrients for their cells/Organismes moet genoeg voedingstowwe vir hul selle produseer