what are the two primary functions of leaves?
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Its main functions are photosynthesis and gas exchange. A leaf is often flat, so it absorbs the most light, and thin, so that the sunlight can get to the chloroplasts in the cells. Most leaves have stomata, which open and close. They regulate carbon dioxide, oxygen, and water vapour exchange with the atmosphere.
79870
They are pores surrounded by specialized parenchymatic cells, called guard cells. Stomata have two main functions, namely they allow for gas exchange acting as an entryway for carbon dioxide (CO2) and releasing the Oxygen (O2) that we breath. The other main function is regulating water movement through transpiration.
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Magnesium fulfills several functions within the plant; it is a central component of chlorophyll which is supporting the function to absorb sunlight during photosynthesis. Magnesium acts as a phosphorus carrier in plants and is essential for phosphate metabolism.
68081
its main function is to transport and store water in plants. it consists of xylem fibres, xylem parenchyma , companion cells . in plants it transports water from downwards to upwards direction.
1295745
A root's four major functions are 1) absorption of water and inorganic nutrients, 2) anchoring of the plant body to the ground, and supporting it, 3) storage of food and nutrients, 4) trans locating water and minerals to the stem.
1410874
The two main functions of chloroplasts are to produce food (glucose) during photosynthesis, and to store food energy.
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['absorption of water and inorganic nutrients;', 'anchoring of the plant body to the ground, and supporting it;', 'storage of food and nutrients;', 'vegetative reproduction and competition with other plants.']
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A waxy layer known as the cuticle covers the leaves of all plant species. The cuticle reduces the rate of water loss from the leaf surface. Other leaves may have small hairs (trichomes) on the leaf surface.
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['Thick cuticle.', 'Stomatal closure.', 'Reduction in # of stomata.', 'Stomata hidden in crypts or depressions in leaf surface (less exposure to wind and sun).', 'Reduction in size of transpiration surface (lower leaf only).', 'Increased water storage.']
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The main functions of the cell wall are to provide structure, support, and protection for the cell. The cell wall in plants is composed mainly of cellulose and contains three layers in many plants. The three layers are the middle lamella, primary cell wall, and secondary cell wall.
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Leaves are food factories for the tree. Powered by sunlight, the green substance in leaves called chlorophyll, use carbon dioxide and water to produce life-sustaining carbohydrates (sugars). The entire process is called photosynthesis.
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The first root that comes from a plant is called the radicle. A root's four major functions are 1) absorption of water and inorganic nutrients, 2) anchoring of the plant body to the ground, and supporting it, 3) storage of food and nutrients, 4) trans locating water and minerals to the stem.
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our topic for today is parts of a plant a plant has many different parts that perform various functions the two main parts of the plant are the root and shoot route usually grows under the ground while shoot usually grows above the ground the chute has different parts called the stem leaves flowers and fruits the stem ...
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A leaf is actually called 'the kitchen of the plant'. This is because they are the main organ responsible for photosynthesis, through which the plant produces its energy a.k.a. it's food. They obtain their green color due to the presence of chlorophyll.
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['The main function of stomata is to open and close the pores in the leaves for an exchange of gases.', 'It allows the plant to take in carbon dioxide and give out oxygen for photosynthesis.', 'Based on the weather conditions, it closes or opens its pores to keep the moisture content developed.']
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Leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately nourish and sustain all land animals. Botanically, leaves are an integral part of the stem system.
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Leaves are adapted for photosynthesis and gaseous exchange. They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out. ... Some of this water evaporates, and the water vapour can then escape from inside the leaf.