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Why the cuticle is thicker at the top than at the bottom of the leaf?
The cuticle is thicker at the top of the leaf to provide enhanced protection against environmental stressors such as UV radiation and water loss through transpiration. This upper layer, facing direct sunlight, helps to reduce evaporation and preserve moisture in the leaf. In contrast, the bottom side of the leaf typically has more stomata for gas exchange, requiring a thinner cuticle to facilitate this process. Thus, the thickness of the cuticle is adapted to the specific functions and exposures of each leaf surface.
Which side is smoother the top or the bottom in a leaf?
Generally speaking, the top surface as it is covered with a waxy cuticle, the bottom of leaves normally have vein protusions, hairs and stomatic openings
Why leaves shiny on the top side and dull on the bottom side?
Leaves are shiny on the top side due to the presence of a waxy cuticle that helps to prevent water loss and protect the leaf from pests and pathogens. The bottom side of the leaf is usually duller to allow for more efficient gas exchange with the surrounding environment through tiny pores called stomata.
What is the side of finger nail called?
The cuticle
Why is one side of a fern leaf shinier than the other?
One side of a fern leaf is shinier than the other due to the presence of a waxy cuticle that helps reduce water loss and protect the leaf from environmental stress. Typically, the upper surface, or adaxial side, is smoother and shinier, which aids in maximizing sunlight absorption for photosynthesis. This difference in texture and sheen also helps to minimize the accumulation of dust and pathogens.
What is the outer protective layer of a leaf is called?
Epidermis
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.
Where do you find leaf blade in Pokemon pearl?
you find it somewhere out side stark mountain but i cant remember where
What is the rigid side of a leaf called?
The rigid side of the leaf is upper side facing the sunlight. In a dorsiventral leaf this side supports the palisade tissue.
What side of a leaf are stomata located?
The lower surface of the leaf has the stomata. You can see the reason for this if you cut a leaf in half from upper side to lower side. The upper portion of the leaf consists of tightly packed cells that are full of chloroplasts for taking in light. The lower half of the leaf is made up of loosely arranged cells. This allows room for air to enter the lower part of the leaf through the stomata and contribute carbon dioxide and take away oxygen. The upper surface of the leaf is covered by the cuticle which prevents dehydration, as such the stomata cannot be located or function on the upper surface
what are the stomata most likely located on the under side of the leaf what's on the top and why?
because if it were on the top it would be hard for it to breath, like if a human put a blanket over their mouth and tried to breath. the waxy cuticle is on the top, all the water wouldn't be able to even tough the cuticle if it were on the bottom, and the plant would die without carbon dioxide
What are the characteristics of a simple leaf?
veins, a photosynthesising region (green), a waxy cuticle on top and a softer side on the underside of the leaf with stomata present (air holes). The leaf is likely to be flexible with no woody parts.
