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How does the concentration of Carbon Dioxide affect the rate of photosynthesis?
Member rating: No Rating | Words: | Submitted: Mon Dec 15 2003
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How does the concentration of Carbon Dioxide affect the rate of photosynthesis? Aim The aim is to find out by experimenting the effect of changing the concentration of CO2 on the rate of photosynthesis. Background knowledge Before doing the investigation, I have to know about the limiting factors of photosynthesis: Light = To get different supplies of energy levels you need different amounts of light reaching the plant. Stomata = The more surface area on the leave of a plant allows more photosynthesis. Glucose = The amount of glucose can limit how much photosynthesis can be done. Humidity = The amount of photosynthesis is affected by the amount of water and water vapour available in the air. CO2 = The changing CO2 amounts affect the rate as it is a lazy reactant. Fertilisers = They can affect the rate of photosynthesis and are used to replace missing nutrients. The graphs on the next page show what Carbon Dioxide and Fertilisers do to plants....
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