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Day, because the water can evaporate. At night it can't because there is no light.
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Is water loss in plants greater during the day or at night?
Water loss in plants is typically greater during the day due to the process of transpiration, where water is lost through the stomata on the leaves. This is because transpiration rates are usually higher when the stomata are open for photosynthesis to occur. At night, when photosynthesis does not take place, transpiration rates are lower.
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.
Do plants lose moisture more in the day or night?
Plants typically lose more moisture during the day than at night. This is primarily due to the process of transpiration, where water vapor is released from small openings called stomata, which usually remain open during daylight to facilitate photosynthesis. Higher temperatures and increased light during the day increase the rate of transpiration, leading to greater moisture loss compared to the cooler, darker conditions of night.
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.
Which plants keep their stomata open only 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.
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 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.
Why do some plants open their stomata by night instead by day?
Very few of them do 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.
Why do plants in a field only photosynisise at night?
Plants do not photosynthesize only at night; in fact, photosynthesis primarily occurs during the day when there is sunlight available. However, some plants like CAM plants have adapted to perform a type of photosynthesis known as Crassulacean Acid Metabolism, where they open their stomata at night to reduce water loss and take in carbon dioxide, which is then stored and used for photosynthesis during the day. This adaptation allows them to thrive in arid conditions.
What plants close stoma to control transpiration?
Plants can close their stomata to reduce water loss during times of stress using mechanisms like the accumulation of ions that cause osmotic changes, as well as the production of abscisic acid which signals stomatal closure. Additionally, certain plants, like succulents and CAM plants, have specialized adaptations that allow them to limit water loss by keeping their stomata closed during the day and opening them at night.
Loss of American life during the Civil War greater than in?
All of the above.
Cam plants keep stomata closed in daytime thus reducing loss of water They can do this because they?
fix CO2 into organic acids during the night
