The root system of a plant constantly provides the stems and leaves with water and dissolved minerals. In order to accomplish this the roots must grow into new regions of the soil. The growth and metabolism of the plant root system is supported by the process of photosynthesis occurring in the leaves. Photosynthate from the leaves is transported via the phloem to the root system.
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Shi Qi
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Excellent Effort Shi Qi escpecially in times when you were ill and away from class!
ReplyDeleteKeep up the positive attitude!