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Because the top of the leaf is covered by the cuticle of the leaf which prevents water loss and transpiration. If there were stomata in the top of the leaf, more water wold be lost and the plant would wilt. The stomata are located in the bottom of the leaf because There is no cuticle there to stop the proccess of transpiration and so doesn't interfere with the proccess of photosythesis.

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โˆ™ 2009-06-05 20:09:13
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Q: Why does the lower epidermis of leaf contains more stomata than upper epidermis?
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Related questions

Which is more advantageous to plants-more stomata on the upper epidermis or lower epidermis?

upper epidermis for sure>>>


Do grass have stomata?

yes, they have the same amount of stomata on the lower and upper epidermis


Why there are more stomata in lower epidermis than in upper epidermis?

The lower epidermis being away from sunlight restricts loss of water by transpiration.


Are their stomata on the upper leaf epidemis of rhoeo spathacea?

The stomata is usually located in the lower leaf epidermis.


Where can you find many stomata in water lily?

in lower and upper epidermis of its leaves......


Which has more stomata the upper or lower epidermis?

Lower epidermis of leaves being away from direct sunlight have more stomata per unit area to minimize exessive traspiration.


Why does the lower epidermis have more stomata than the upper epidermis of a leaf?

This helps prevent transpiration (water evaporating out of the plant).


Why does the lower epidermis have more stomata than the upper epidermis?

Because lower epidermis remains away from the light and in the absence of light the water loss through transpiration is minimized.


Why is the lower epidermis has more stomata than the upper epidermis?

Because lower epidermis remains away from the light and in the absence of light the water loss through transpiration is minimized.


Why do lemna form their stomata in the upper epidermis?

because the amount of water is less on the lower epidermis, along with the sunlight, and because if lemna formed their stoma in the lower epidermis, transpiration would be scarce.


The function of a upper and lower epidermis?

The upper epidermis is responsible for preventing water loss by evaporation. It does this by having a waxy cuticle on the top of the leaf. The lower epidermis has stomata, which allow gases to enter and leave the leaf as a result of photosynthesis and respiration.


Why do most leaves have more stomata on the lower epidermis than on the upper epidermis?

The lower epidermis remains away from direct sunlight hence stomatal perforation on this side minimizes the loss of water by transpiration.

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