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Biology Investigation How Light Affects Photosynthesis Introduction I will carry out an investigation to find out how photosynthesis is affected by light intensity. I will use an aquatic plant (water plant) called Elodea. Elodea is a Canadian Pondweed. Aim To investigate how light affects photosynthesis in Elodea. Prediction 1 * I predict that the Elodea will produce more oxygen bubbles when the light is closer to it. Prediction 2 * I predict that the bubbles of gas produced from Elodea plant will be oxygen gas. Factors Below is the list of factors that affect the rate of photosynthesis in plants: * Light * Temperature * Amount of carbon dioxide (C02) * Size (surface area of plant) * Amount of water (H2O) Temperature: At high temperature the plant cannot photosynthesise because the chlorophyll enzymes are damaged. Enzymes are denatured at high temperatures. Light: In the dark, plants cannot photosynthesise at all. In dim light, they can photosynthesise slowly. As light intensity...

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