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When it's light, the plant needs CO2 (carbon dioxide) for photosynthesis, so the stomata opens.

At night (darkness) they close to conserve water.

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14y ago

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Related Questions

What regulates the stomata?

The guard cells open and close the stomata as needed.


Why do a leafs stomata open and close?

Changes in the osmotic potential of gaurd cells make that stomata open or closed


Would stomata open or close if CO2 concentration decreased?

close


What structures open or close the stomata?

the guard cells


. CAM plants close their during the day and open them at night?

stomata


What can open and close to change the amount of water loss?

stomata


Stomata open and close in response to pressure within?

Stomata open and close in response to changes in turgor pressure within the guard cells. When guard cells take up water, they become turgid and the stomata open to allow gas exchange. Conversely, when guard cells lose water, they become flaccid and the stomata close to prevent water loss.


Would the stomata open or close if the CO2 concentration decrease?

Opening and closing of stomata is regulated by concentration of water in guard cells. When transpiration is required, water reaches the guard cells and they swell up. This opens the stomata's pore. When they are not required to be opened, water is not present in guard cells and they shrink causing stomata's pore to close.


What overall process in a plant is dependent on the ability of the stomata to open and close?

maintenance of homeostasis


What is the breathing organ of plant?

The Stomata is the small opening on the underside of the left that allows for the absorption of CO2. A plant can open and close the stomata to help cut down on moisture loss.


How guard cell open and close?

Guard cells open and close stomata through the regulation of turgor pressure. When they take in water, they swell and become turgid, causing the stomata to open. Conversely, when they lose water, they become flaccid, leading to stomatal closure. This process is controlled by factors such as light, CO2 levels, and plant hormones.


How does the ability to open and close the stomata aid in the survival of the plant through different types of weather?

The ability to open and close stomata helps regulate the exchange of gases like carbon dioxide and oxygen, allowing the plant to photosynthesize efficiently. In hot weather, closing stomata reduces water loss through transpiration, conserving water. In cold weather, closing stomata can prevent freezing injury by reducing water loss and maintaining internal temperatures.