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because its the best time for photosythesis. otherwise water from leaf will be evaporated from transpiration AND plant would not photosynthesis.

soo.. opening on hot day would be a waist

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

stomata


Does the stomata on a leaf have to be open or closed during the Calvin benson cycle?

The stomata better be open so that plenty of carbon dioxide diffuses into the leaf and feeds into the Calvin cycle and makes sugars, specifically glyceraldehyde-3-phosphate.


Plants that fix CO2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called?

Plants that fix CO2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called CAM (Crassulacean Acid Metabolism) plants. CAM plants have adapted their carbon fixation process to avoid water loss during the day by keeping stomata closed, and perform photosynthesis during the night when conditions are cooler and less water loss occurs.


Why do a leafs stomata open and close?

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


How many stomata are likely to open at night?

In most green plants the stomata are only open during the day. They allow carbon dioxide to reach the cells where the majority of photosynthesis takes place. As they also allow transpiration (water loss) the stomata of most plants close during the night when photosynthesis is not possible. There is a group of mainly desert plants known as CAM plants. These carry out a process called Crassulacean acid metabolism, which effectively allows them to store carbon dioxide in their leaves. In these plants the stomata are normally closed during the day to prevent water loss when temperatures are high, and open during the night when temperatures are lower.

Related Questions

What change occurs in the stomates on a hot and humid day?

The stomata remain wide open


Does a cacti open its stomata during the day?

no!


Why does the stomata of a desert plant close during the day?

In desert plants, the stomata is open during night. During night, desert plants (also called xerophytes) absorb co2 and form an intermediate. Then during day time when the stomata is closed to prevent loss of water, they use this stored carbon dioxide to perform photosynthesis.


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

stomata


Does the stomata on a leaf have to be open or closed during the Calvin benson cycle?

The stomata better be open so that plenty of carbon dioxide diffuses into the leaf and feeds into the Calvin cycle and makes sugars, specifically glyceraldehyde-3-phosphate.


What time of day would you exspect the stomata on a plant to be open or closed?

at night when there is little to no light.


Plants that fix CO2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called?

Plants that fix CO2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called CAM (Crassulacean Acid Metabolism) plants. CAM plants have adapted their carbon fixation process to avoid water loss during the day by keeping stomata closed, and perform photosynthesis during the night when conditions are cooler and less water loss occurs.


When are the stomata usually open?

Stomata are typically open during the day to allow for gas exchange, such as photosynthesis (uptake of carbon dioxide and release of oxygen). They usually close at night to conserve water and prevent excess water loss through transpiration.


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

Cam plants close during the night and open during the day because they are photosensitive and respond to light. To do it experimentally, try with a torch for some time.


If the temperature is not very hot when would stomata generally be open or closed?

Stomata are generally open during the day when light is available for photosynthesis and closed at night to conserve water and prevent excessive transpiration. If the temperature is not very hot, stomata may remain open longer during the day to allow for increased gas exchange for photosynthesis.


What regulates the stomata?

The guard cells open and close the stomata as needed.


When are the stomata of leaves usually open?

Depending on the environment of the plant, stomata will open and close at different times. In hot, dry environments stomata will open around dusk and dawn to minimise water loss. In Wet environments stomata will open during the day as needed