how does stomata open and close??
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Answer:
Light is the main source for the stomatal opening.
The opening and closing of stomata depend upon the turgid or flaccid state of guard cells.
When the guard cells are in the flaccid state, the stomatal aperture closes.
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Answer:
As long as there is sufficient water in the soil to replace the water that is being lost by a plant, stomata stay open. Stomata open when guard cells take up water and swell, they close when guard cells lose water and shrink.
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