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← Nature & AnimalsWhich outcome occurs when plants in seasonally arid environments maintain open stomata during midday?
A)Reduced photorespiration efficiency rate
B)Increased photosynthetic carbon fixation
C)Cellular dehydration from high transpiration✓
D)Enhanced nutrient uptake via xylem flow
💡 Explanation
When arid plants keep stomata open at midday, increased transpiration happens because intense sunlight and low humidity drives water loss through the open pores into dry surrounding atmosphere, leading to cellular dehydration. Therefore they risk dehydration, rather than improving photosynthesis, reducing photorespiration, or improving nutrient intake which need humid environment
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