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7.13A External Stimuli

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Term
Definition
show A change in the environment outside of the organs.  
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FEEDBACK MECHANISM   show
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FORCE   show
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GEOTROPISM   show
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show The body ability to keep the internal balance.  
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show A change in position over time.  
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show The vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.  
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show Growth of a plant shoot toward or away from light.  
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ROOT SYSTEM   show
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show The aerial portion of a plant body, consisting of stems, leaves, and (in angiosperms) flowers.  
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show Balanced; unchanging.  
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STIMULUS   show
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show The process by which water is lost through a plant's leaves.  
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show The turning of all or part of an organism in a particular direction in response to an external stimulus.  
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TURGOR PRESSURE   show
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XYLEM   show
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