Because many of these parts of plants sometimes contain stored food in a concentrated form, they may have another function in the plant's life-cycle: It also explains why we find it easy to use some plants "vegetables" Biotopics asexual reproduction food. What chemical form will the stored food be in? Which example of vegetative reproduction does not involve storage of food as well? Which examples of vegetative reproduction do not contribute to Man's food supply?
The same principle can also be used by Man in order to grow more plants, perhaps starting from only one plant, a process called artificial propagation. This is especially useful if you want to produce many copies of a Biotopics asexual reproduction which has some desirable characteristicssuch as flowers of a different colour, or fruits with a particular taste or quality.