AQA GCSE Biology · 8461
Specification 4.2.3.2 · Paper 1
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GCSE Biology · key term
The difference in water vapour concentration between two places; a steeper difference increases the rate of diffusion.
Used by AQA
Specification 4.2.3.2 · Paper 1
For each environmental factor, state the direction of the change in transpiration rate and explain it using evaporation, the water vapour concentration gradient or stomatal opening.
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