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Why is there no cuticle on the underside of a leaf?
The cuticle on the upper surface of a leaf helps to reduce water loss through evaporation and protect the leaf from damage. Since the underside of the leaf is not exposed directly to sunlight and does not play a major role in gas exchange, it does not have a thick cuticle layer.
Why is a leaf's cuticle important?
A leaf's cuticle is important because it helps reduce water loss through evaporation and protects the leaf from external damage such as pathogens and herbivores. The cuticle also helps in regulating gas exchange and prevents excessive uptake of sunlight, which can lead to damage.
What is the role play of a cuticle on the stem?
The cuticle on the stem acts as a protective barrier, helping to prevent water loss and reduce the risk of pathogen entry. It also provides some degree of protection against herbivores and helps to regulate gas exchange through stomata. Additionally, the cuticle can affect the stem's appearance by giving it a glossy or matte finish.
The cuticle of a plant is primarily for what?
The cuticle of a plant serves as a protective waxy layer that helps reduce water loss through evaporation and provides defense against pests and pathogens. It also helps to regulate gas exchange and protect the plant from harmful ultraviolet radiation.
How do chameleons breathe?
Chameleons breathe through their nostrils, which are located at the tip of their snouts. Air enters through these nostrils and travels to their lungs for respiration. Chameleons have specialized tissues in their lungs that allow for efficient gas exchange.
What is the openings on the underside of leaves?
stomata =Specialized passages through the cuticle that enable plants to exchange gases.
What plays a role in gas exchange?
haemoglobin present in the RBC helps in gaseous exchange and transport in humans .. where as in plants its through stomata , cuticle , lenticels etc....
Why is there no cuticle on the underside of a leaf?
The cuticle on the upper surface of a leaf helps to reduce water loss through evaporation and protect the leaf from damage. Since the underside of the leaf is not exposed directly to sunlight and does not play a major role in gas exchange, it does not have a thick cuticle layer.
Why is a leaf's cuticle important?
A leaf's cuticle is important because it helps reduce water loss through evaporation and protects the leaf from external damage such as pathogens and herbivores. The cuticle also helps in regulating gas exchange and prevents excessive uptake of sunlight, which can lead to damage.
What is the respiration of a nematoda?
Nematodes have a simple respiratory system that involves gas exchange occurring through their body surface by diffusion. They lack specialized respiratory organs like lungs or gills, relying instead on passive diffusion of oxygen and carbon dioxide through their thin, permeable cuticle. This allows nematodes to exchange gases with their environment effectively despite their small size and simple body structure.
What structure prevents water from escaping a plant's leaves?
Cuticle
What are the bronhcioles?
Bronchioles are the passages that air travels through to get to the alveoli where air exchange occurs. Bronchioles are part of the respiratory systems and are branches of the bronchi.
What is the role play of a cuticle on the stem?
The cuticle on the stem acts as a protective barrier, helping to prevent water loss and reduce the risk of pathogen entry. It also provides some degree of protection against herbivores and helps to regulate gas exchange through stomata. Additionally, the cuticle can affect the stem's appearance by giving it a glossy or matte finish.
Why do leaves have cuticle but root hairs do not?
Leaves have a cuticle to prevent water loss through transpiration and protect against pests and pathogens. Root hairs, on the other hand, are specialized for absorbing water and nutrients from the soil, so having a cuticle would hinder their ability to uptake these essential resources.
The cuticle of a plant is primarily for what?
The cuticle of a plant serves as a protective waxy layer that helps reduce water loss through evaporation and provides defense against pests and pathogens. It also helps to regulate gas exchange and protect the plant from harmful ultraviolet radiation.
How do chameleons breathe?
Chameleons breathe through their nostrils, which are located at the tip of their snouts. Air enters through these nostrils and travels to their lungs for respiration. Chameleons have specialized tissues in their lungs that allow for efficient gas exchange.
What is the disadvantage of the plant cuticle?
benefits are it's stronger Edited answer; Cuticle resist entry of micro-organisms and reduces evaporation of water from free surface of the plant. Problems: It reduces the elasticity of the cell wall
