Is food a limiting factor for plants?

In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. ... Some changes may cause a population to increase. If there are more plants than usual in an area, populations of animals that eat that plant may increase.

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.