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The purpose of this experiment is to plan design and carry out an experiment to compare the stomatal density of the upper and lower side of a leaf of my choice.
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IT Key Skills In Biology Introduction: The purpose of this experiment is to plan design and carry out an experiment to compare the stomatal density of the upper and lower side of a leaf of my choice. This is relevant to my AS course in Biology as I am currently studying transpiration. This is a process involoving stomata opening and closing to release moisture from the plant. Therefore the amount and distribution of these stomata is very relevant to what I am learning. Null Hypothesis is that 'there will be no difference between the stomatal density on the upper and lower sides of the leaf. Apparatus: * leaves of a privit or similar plant * plain glass slides and cover slides * scalpel/sharp knife * nail varnish * Electron Microscope * Small painting brush * Forceps Method: Method for determining stomatal density: (see attached sheet for source of method) * Select a few leaves from a privit or similar plant * Cover the upper surface of one...
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