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An Experiment to investigate a factor affecting the rate of Transpiration From a Shoot of Privet (Ligustrum ovale).
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An Experiment to investigate a factor affecting the rate of Transpiration From a Shoot of Privet (Ligustrum ovale) Introduction; Transpiration is the act or process of evaporation of water through the stomata (opened and closed by guard cells) underneath a plant's leaf. This water comes from the process of photosynthesis because not all the water, which is taken up by the roots by osmosis, actually makes it into the process of photosynthesis. This is because the plant could either be in the dark, or it has more water than is necessary in its leaves. Transpiration is a process that the plant does not want to take place, but it happens because of the need for Carbon Dioxide. The only way that a gas could get into a leaf is through gaps in the outer cuticle. These gaps, also known as stomata, also let the water out as transpiration. Water is near...
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