8.1.7 Explaining the Effects of Temperature, Wind Speed & Humidity: Extended
Explaining the Effects of Temperature, Wind Speed & Humidity: Extended
- Wind speed, humidity and temperature all have an effect on the rate at which transpiration occurs
- The table below explains how these factors affect the rate of transpiration when they are all high; the opposite effect would be observed if they were low
Transpiration Rate Factors Table
- A potometer can be used to investigate the effect of environmental factors on the rate of transpiration
Wilting: Extended
- If more water evaporates from the leaves of a plant than is available in the soil to move into the root by osmosis, then wilting will occur
- This is when all the cells of the plant are not full of water, so the strength of the cell walls cannot support the plant and it starts to collapse
A wilted plant cannot support itself and starts to collapse
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