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Find out where the stomata are located, on the upper or lower epidermis of a leaf.
Member rating: No Rating | Words: | Submitted: Wed Mar 10 2004
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stomata investigation Aim: The aim of this science investigation is to find out where the stomata are located, on the upper or lower epidermis of a leaf. Prediction: My prediction is that most of the stomata are found on the lower epidermis of a leaf. I have based this prediction on the function of stomata; to let gases in and out of the leaf i.e. to allow exchange of CO2 and O2 between the inside of the leaf and the surrounding atmosphere and to allow the escape of water vapour from the leaf. To reduce water loss the leaf has a waxy cuticle on the upper epidermis, which is waterproof, so the leaf uses the lower epidermis for gas exchange. Science about Stomata: Stomata are pores perforating the epidermis of the leaves and stem. They are usually most numerous in the lower epidermis of the leaf where there may be as many as 400 per mm, there...
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