Which outcome occurs when prolonged drought restricts desert succulents’ stomatal opening?

💡 Explanation

When drought restricts stomatal opening, CO2 intake decreases disproportionately to O2 levels because gas exchange depends on stomata diffusion gradients, driving photorespiration by Rubisco. Therefore photorespiration reduces photosynthetic efficiency, rather than fixation, transpiration or root growth which depend on different metabolic pathways and preconditions.

• Which process reduces core body temperature during mammalian exercise in a hot environment?
• Which metabolic outcome occurs in herbivores due to microbiome dysbiosis?
• Which outcome results when river otters experience reduced swimming activity within icy river conditions?
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• Which risk increases when some rainforest tree species maintain open stomata during prolonged cloudy periods?