Photosynthesis Flashcard 7th Grade

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What are autotrophs?

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Autotrophs are organisms that produce their own food through processes like photosynthesis, using light energy, carbon dioxide, and water.

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What is the role of chlorophyll in photosynthesis?

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Chlorophyll is a pigment found in chloroplasts that absorbs light energy, primarily from the blue and red wavelengths, to facilitate photosynthesis.

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Why do most plants appear green?

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Most plants appear green because chlorophyll reflects green light and absorbs other wavelengths of light for photosynthesis.

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What are the reactants of photosynthesis?

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The reactants of photosynthesis are carbon dioxide (CO2) and water (H2O).

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What are the products of photosynthesis?

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The products of photosynthesis are oxygen (O2) and glucose (C6H12O6).

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What is the overall equation for photosynthesis?

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

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What is the significance of photosynthesis for life on Earth?

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Photosynthesis is crucial for life on Earth as it produces oxygen and organic compounds that serve as food for most living organisms.

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What is the function of chloroplasts in plant cells?

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Chloroplasts are organelles in plant cells where photosynthesis occurs, containing chlorophyll and other pigments.

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How does light intensity affect the rate of photosynthesis?

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

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What is the effect of carbon dioxide concentration on photosynthesis?

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Higher concentrations of carbon dioxide can enhance the rate of photosynthesis, as CO2 is a key reactant in the process.

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