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| A complex tissue that conducts sugars, solutes through a vascular plant |
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| organic compounds flow through phloem in response to pressure and concentration gradients between source regions(leaves) and sinks(sugar storage) |
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| thin extension of a root epidermal cell; greatly increase the surface area for water and ion uptake |
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| Localized swelling on a root that contians mutualistic nitrogen-fixing bacteria |
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| conducting tube of phloem |
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| movement of land under the force of wind, running water and ice |
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| A gap between two guard cells in a leaf or stem epidermis- allows the diffusion of water vapor and gases across the epidermis |
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| the uppermost layer of soil; the most vital in plant growth |
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| one of the two types of water conducting cells in xylem |
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| distribution of organic compounds through phloem |
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| Evaporative water loss through the above-ground parts of the plants |
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| the arrangement of vascular tissues as a central cylinder inside a root |
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| conducts water and solutes through pipelines of interconnected walls of cells; which are dead at maturity |
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