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← Nature & AnimalsWhich outcome promotes water conservation when leaf temperatures increase?
A)Increased photorespiration rate inhibition
B)Enhanced CAM pathway activation✓
C)Reduced rubisco enzyme affinity
D)Decreased C4 pathway initiation
💡 Explanation
Enhanced CAM pathway activation causes stomata to open at night, minimizing water loss because transpiration reduces during cooler, more humid nights. Therefore, activating CAM occurs rather than decreasing C4 activity, which doesn't isolate carbon fixation spatially or temporally.
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