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Which plants have sunken stomata?
generally xerophytic plants have sunken stomata
Does a cacti open its stomata during the day?
no!
Where are the stomata on cactus?
The stomate are located in the same place as other plants, leaf and stems. Their stomate are much smaller and sometimes sunken deeper into the surfaces to help keep water loss at a minimum. Also, the stomate on catus only open at night when it is cool outside.
What is sunken stomata?
Sunken stomata are like normal stomata except they are literally sunken into the leaf a few micrometres. they are usually in a little chamber- imagine a tiny C shape cut into the leaf, and the stomata being on the inside curve of the the C, and the ends of the C being the outside of the leaf. they help prevent transpiration and loss of water vapour as they are more protected from external conditions that speed up transpiration such as winds than stomata which aren't sunken. sunken stomata are usually protected by hairs in the chambers, and these hairs are called trichomes. they trap the water vapour, whcih also helps prevents water loss.
Presence of sunken stomata in leaves indicates the character of which type of plant?
Plants with sunken stomata in their leaves are known as xerophytes. These plants have adapted to dry environments by reducing water loss through transpiration. The sunken stomata help to create a humid microclimate around the leaf surface, reducing water loss.
Are stomata present in xerophytes?
Yes, xerophytes have stomata. However, they typically have adaptations to help reduce water loss through transpiration, such as sunken stomata or hairs around the stomata to create a humid microenvironment.
Why do plants in dry habitats have their stomas in a sunken pit on their leaves?
Plants in dry habitats have sunken stomata to reduce water loss through transpiration. The sunken pits create a more humid environment around the stomata, making it harder for water to evaporate. This adaptation helps the plant conserve water and survive in arid conditions.
How have plants dealt with the problem of water loss?
Plants have tried to minimize the water loss by some adaptations like presence of sunken stomata only on the lower side of the leaf, cuticle and waxy depositions on the epidermal cells, leafless plants (certain cacti), presence of hairs, spines etc.
How does cacti obtain CO2 needed for photosynthesis?
Cacti obtain CO2 needed for photosynthesis through small pores called stomata on their stems. These stomata open at night when it is cooler to minimize water loss through evaporation. During this time, cacti take in CO2 and store it for use in photosynthesis during the day.
Botanists believe that gymnosperm leaves have evolved sunken stomata below the leaf surface to reduce water loss from?
Transpiration.
Does the cactus have a stomata?
Yes. The cacti may practice a delayed form of photosynthesis because they must close their stomata in the daytime but they, like all other plants, must take in carbon dioxide and release oxygen and water through those stomata.
Why would closing their stomata during the day be an advantage for the cacti?
During mid day when the intensity of light and day temperature is higher
