In situations where the distance between roots and leaves is significant, a proper transportation system becomes essential because diffusion alone cannot efficiently provide raw materials to leaves and transport energy to roots.
Why is a proper transportation system crucial for plants when the distances between roots and leaves are large?
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A proper transportation system is crucial for plants when the distances between roots and leaves are large because diffusion alone becomes insufficient to meet the metabolic needs of the entire plant. In situations where the separation of soil-contacting organs (roots) and chlorophyll-containing organs (leaves) is significant, a well-organized vascular system ensures the efficient transport of water, minerals, and nutrients. The xylem transports water and minerals from roots to leaves, while the phloem moves products of photosynthesis from leaves to other plant parts. This organized system overcomes the limitations of diffusion, allowing for effective nutrient distribution and metabolic support across the entire plant.