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Stomata Experiment Aim: To find out where stomata is mostly found in a leaf; in the lower epidermis or the upper epidermis. Stomata: Each stomata is a tiny opening in the leaf that can be opened and closed by two guard cells. Stomata allow gases to pass in and out of a leaf. When stomata are open carbon dioxide for photosynthesis can enter and oxygen can leave however water vapour can also diffuse out of the leaf. Hypothesis: I predict their will be more stomata at the lower epidermis because from previous knowledge I know water transpiration occurs fastest at hot, dry, windy conditions. Therefore at the lower epidermis there will be more protection against these conditions so less water will be lost. However for more carbon dioxide diffusion the stomata may be on both sides to gain more in order for the plant to photosynthesise to make more glucose. Although, carbon dioxide...

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