CAM plants

CAM plants

This picture depicts an organ pipe cactus in the british virgin islands. It is a CAM plant because it uses crassulacean acid metabolism, which is when the plant only intakes carbon dioxide at night in order to prevent photorespiration. Because of the dry, arid climate these plants are found in, they only open their stomata at night, so the plant does not lose water through evaporation during the day. The carbon dioxide absorbed at night is then turned into a 4 carbon compound and used in the calvin cycle during the day.

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