Absorption. The root, as is evident from its structure, is primarily an absorbing organ, and this function will be taken up at length. However, it has many other uses and is adapted to perform very different duties in different plants.
Fixation. A second use, common to nearly all roots, is that of attaching the plant to the soil, and holding it in an upright position.
Storage. Frequently the root has sufficient bulk to act as a very efficient storage place for foods. This is particularly important for plants that retain life through long winter months.
Propagation. It may happen that enough nourishment is stored so that the plant can send up shoots at various places or even be divided, so reproducing the plant.
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