Photosynthesis, Respiration, And Transpiration

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What is photosynthesis?

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Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy in the form of glucose, using carbon dioxide and water.

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NGSS.MS-LS1-6

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What is respiration in plants?

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Respiration is the process by which plants convert glucose and oxygen into energy, carbon dioxide, and water. It occurs in all living cells.

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NGSS.MS-LS2-3

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What is transpiration?

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Transpiration is the process by which water vapor is released from the plant's leaves into the atmosphere through small openings called stomata.

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What role does chlorophyll play in photosynthesis?

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Chlorophyll is a green pigment found in the chloroplasts of plants that absorbs light energy, primarily from the sun, which is essential for photosynthesis.

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NGSS.MS-LS1-6

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What are stomata?

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Stomata are tiny openings on the surface of leaves that allow for gas exchange; they let carbon dioxide in and oxygen and water vapor out.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What are guard cells?

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Guard cells are specialized cells that surround stomata and control their opening and closing, regulating gas exchange and transpiration.

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NGSS.MS-LS1-2

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Where does photosynthesis primarily occur in plants?

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Photosynthesis primarily occurs in the leaves of plants, specifically in the chloroplasts.

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NGSS.MS-LS1-6

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What is the equation for photosynthesis?

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The equation for photosynthesis is: 6CO2 + 6H2O + light energy → C6H12O6 + 6O2.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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What is the importance of transpiration for plants?

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Transpiration helps in nutrient uptake, cooling the plant, and maintaining the flow of water and minerals from the roots to the leaves.

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NGSS.MS-LS2-1

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How does light intensity affect photosynthesis?

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Increased light intensity generally increases the rate of photosynthesis up to a certain point, after which other factors may limit the process.

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NGSS.MS-LS1-6