Plant roots do more than hold a stem firmly in the ground. They abs water fr surrounding so and tran dissolved mine toward gro leaves wh tiny ha increase con with mo surfaces. These hairs are delicate extensions of individual cells. They greatly enlarge the area through which a root can take in resources without requiring a much thicker structure. Conditions below ground therefore influence what happens above it. Even when light is plentiful, damage to the root system can limit the development of the whole plant.

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