Which process is directly inhibited when atmospheric humidity increases around plant leaves?

💡 Explanation

Transpiration decreases as humidity increases because reduced difference in water potential affects water vapor diffusion. Therefore, water movement from the leaf slows, rather than other transport processes like guttation or nutrient flow being affected.

• Which mechanism causes tissue swelling, called edema, in freshwater fish due to osmoregulatory failure?
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• Which mechanism causes continuous water relocation when a plant's transpiration stream diminishes?
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