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← Nature & AnimalsWhich photosynthetic adaptation helps desert plants when CO2 is scarce?
A)CAM pathway for temporal separation✓
B)Increased root pressure lowers transpiration
C)C3 pathway enhances water retention
D)Photorespiration minimizes water evaporation
💡 Explanation
CAM plants use the CAM pathway; the stomata open at night to fix CO2 as an acid, stored until daylight needing CO2; therefore reducing water loss during the day because stomata can be closed, rather than the C3 pathway.
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