transpiration stream
What transpiration stream means in Biology GCSE, as defined for AQA, OCR.
Definitions of transpiration stream
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Reference: AQA
The upward movement of water and ions, driven largely by evaporation of water from leaf surfaces.
A continuous stream in which tension pulls water and dissolved minerals upward through xylem.
Topics that use transpiration stream
- Plant organ system (AQA GCSE)
- The challenges of size (OCR GCSE)
Related terms
- Translocation
- Transpiration
- Active transport
- active transport of minerals
- Adaptations of root hair cells
- arteries
- blood plasma
- boundary layer
Using transpiration stream in the exam
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