Which outcome follows when drought raises leaf temperature?

💡 Explanation

Stomatal closure reduces water loss because elevated temperature prompts guard cells to plasmolyze, using abscisic acid to trigger closure, which inhibits transpiration rate, therefore conserving water rather than escalating water uptake because root pressure is negligible.

• Which mechanism reduces heat loss in arctic mammals initiating shivering thermogenesis?
• Which primary risk does excessive feather wear pose birds during long-distance migration?
• Which outcome accompanies the release of norepinephrine activating uncoupling protein 1 (UCP1) in a hibernating mammal's brown adipose tissue?
• Which outcome occurs when cuticular proteins crosslink prematurely in larval insects?
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• Which outcome occurs when molybdenum availability limits dinitrogen fixation in cyanobacteria?