Key term for OCR GCSE Biology A, used in The challenges of size.
The continuous, unidirectional flow of water and dissolved mineral ions from the roots, up the xylem, and out of the leaves.
Transpiration stream appears in OCR GCSE Biology A revision content for Scaling up, especially The challenges of size and Factors affecting water uptake.
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Scaling up
The challenges of size • Transpiration and translocation
