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Definition
the arrangement of leaves on a stem
important in light capture
determined by the shoot apical meristem |
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Definition
| the ratio of the total area of the top surfaces of the leaves to the area of ground covered by a plant |
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Definition
| a process where nonproductive leaves or branches undergo programmed cell death when too much shading happens |
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Definition
| mutualistic associations bewteen roots and fungi |
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Term
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Definition
| consists of everything external to the plasma membranes of living cells and includes cell walls, extracellular spaces, and the interior of dead cells such as vessel elements and tracheids |
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Definition
| consists of the entire mass of cytosol of all the living cells in a plant, as well as he plasmodesmata, the cytoplasmic channels that interconnect them |
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Definition
| water and solutes move along the continuum of cell walls and extracellular spaces |
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Definition
| water and solutes move alonf the continuum of cytosol. this route requires substances to cross a plasma membrane once |
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Term
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Definition
| water and solutes move out of one cell, across the cell wall, and into the neighboring cell, which may pass on to the next cell in the same way |
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Term
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Definition
| a quantity that includes the effects of solute concentration and physical pressure |
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