Relative to C₃ plants, the rates of photosynthetic production of CAM plants are high because they can store carbon until it is needed.

Question

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CAM plants have adaptations that allow them to conserve water in arid conditions by opening their stomata at night to fix CO2, which is then used during the day for photosynthesis. This process is generally less efficient in terms of carbon fixation rates compared to C3 and C4 plants under normal conditions, as it is primarily an adaptation to minimize water loss rather than to maximize photosynthetic production.

Relative to C3 Plants, the Rates of Photosynthetic Production of CAM

Relative to C₃ Plants, the Rates of Photosynthetic Production of CAM