CAM and C₄ plants conduct photosynthesis in ways that allow them to live in drier areas than most C₃ plants can tolerate.The effectiveness of different plants in restricting water loss while still allowing for influx of adequate CO₂ can be compared using the transpiration ratio,which is calculated by dividing the amount of water transpired by the amount of CO₂ fixed by photosynthesis.If a typical transpiration ratio for a C₃ plant is 500,then possible values for CAM and C₄ plants could be _____.

Question

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CAM and C₄ plants have adaptations that allow them to fix CO₂ more efficiently under dry conditions, resulting in lower transpiration ratios compared to C₃ plants.

CAM and C₄ Plants Conduct Photosynthesis in Ways That Allow