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Oxygen leaves the leaf because it is actually useless to the plant. We breathe in oxygen, because we need it to survive, and we breathe out carbon monoxide, which is contained in our cells but is harmful to us. Plants work together with us - as we breathe out the carbon monoxide, they take it in because they need it, and in return they let out oxygen, which we need.
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What does stoma allow to enter the leaf?
Stomata allow carbon dioxide to enter the leaf for photosynthesis, while also allowing oxygen and water vapor to exit the leaf through transpiration.
Which process move the gases in or out of the leaf?
Gas exchange in leaves occurs through tiny openings called stomata. During photosynthesis, the stomata open to allow carbon dioxide to enter the leaf and oxygen to exit. During respiration, the opposite occurs, with the stomata opening to release carbon dioxide and take in oxygen.
What is the purpose of air spaces in the spongy layer?
Air spaces in the spongy layer of a leaf facilitate gas exchange by allowing for the movement of oxygen and carbon dioxide between the leaf cells and the external environment. This helps in photosynthesis by providing a pathway for carbon dioxide to reach the chloroplasts and for oxygen to exit the leaf during respiration.
How does the leaf gaseous exchange take place?
Leaf gaseous exchange occurs through tiny pores called stomata on the surface of leaves. During photosynthesis, carbon dioxide enters the leaf through the stomata, while oxygen and water vapor exit the leaf through the same pores. This exchange of gases is crucial for the process of photosynthesis and respiration in plants.
Describe three ways a plants leaf is adapted for photosynthesis?
The broad, flat shape of a plant's leaf maximizes the surface area available for absorbing sunlight. The presence of chloroplasts containing chlorophyll within the leaf cells allows for the absorption of light energy needed for photosynthesis. The presence of stomata on the leaf surface enables gas exchange, allowing carbon dioxide to enter for photosynthesis and oxygen to exit as a waste product.
What is an adaptation of a leaf for photosynthesis?
The leaf has a wide range of pores which allow Carbon Dioxide to enter and Oxygen to exit.
What does stoma allow to enter the leaf?
Stomata allow carbon dioxide to enter the leaf for photosynthesis, while also allowing oxygen and water vapor to exit the leaf through transpiration.
The cellular transport process by which carbon dioxide enters a leaf and by which water vapor and oxygen exit?
osmosis
What is a single pore on the underside of a leaf?
A stomata, which allows for the exchange of oxygen to exit and carbon dioxide to enter.
How do carbon dioxide oxygen and water pass into and out of a leaf?
Carbon dioxide enters the leaf through small openings called stomata. Inside the leaf, carbon dioxide is used in photosynthesis to produce oxygen and glucose. Oxygen and excess water exit the leaf through the stomata as byproducts of photosynthesis and transpiration, respectively.
How gases enter and exit a leaf?
Gases enter and exit a leaf through stomata. These are openings in the epidermis which are regulated by guard cells. Guard cells decide which gases can go in and out. The gas that goes in is carbon dioxide and the gas that goes out it oxygen.
What part of leaf where exchange of gases take place?
The exchange of gases in a leaf primarily occurs in the mesophyll cells, which are located in the interior layers of the leaf. The stomata, small openings on the surface of the leaf, also play a crucial role in gas exchange by allowing carbon dioxide to enter and oxygen to exit the leaf.
How does an air molecule get sucked into a leaf?
An air molecule can be drawn into a leaf through tiny openings called stomata. Stomata open and close to regulate gas exchange, allowing carbon dioxide to enter and oxygen to exit the leaf. This process is crucial for the leaf's photosynthesis and overall functioning.
What does leaf release?
A leaf releases oxygen
Can air enter and exit a leaf?
carbon dioxide
How oxygen exit the body?
Oxygen atoms exit the dody within carbon dioxide molecules through the lungs.
How does oxygen get into the leaf?
experiment to show the presence of in a leaf
