Which outcome occurs when CAM pathway plants experience prolonged waterlogged soil conditions?

💡 Explanation

When CAM plants in waterlogged soils experience root hypoxia, the anaerobic conditions inhibit the root's ability to produce ATP, impacting the function of PEP carboxylase enzyme involved with the CAM pathway affecting initial CO2 fixation. Therefore, root hypoxia halts PEP carboxylase, rather than rubisco inactivation, stomata closure, or CAM cessation, which are linked to other environmental stressors.

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