What Are Some Special Adaptations of roots, Stems, and Leaves?
Plants have evolved to fit their environment and with this has come modifications of their organs. Roots may be specialized to store a relatively large amount of food as starch. Other plants, such as the orchid, have roots that are capable of photosynthesis. Stems may be used by the plant as a way of starting miniature versions of themselves in a new area. Runners serve to propagate plantlets away from the “mother” plant. Stems may also serve as storage receptacles. The stems of cacti store water, while underground stems, rhizomes, store carbohydrates. Modified branches such as thorns protect the plant from would-be predators, whereas tendrils grasp support structures, enabling the plant to climb. Modified leaves may store water if they are succulent, or reduce water loss if they are spiny. Other leaves function as tendrils in climbing up a support structure or in nitrogen gathering by capturing and digesting insects. XI. How Do Plants Acquire Nutrients? Nutrients are taken into root h
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