2022/23 Photosynthesis and Chemosynthesis Basics

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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 into chemical energy in the form of glucose, using carbon dioxide and water.

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What is chemosynthesis?

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Chemosynthesis is the process by which certain organisms, such as bacteria, produce glucose using chemical energy from inorganic molecules, rather than sunlight.

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What are autotrophs?

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Autotrophs are organisms that can produce their own food using light or chemical energy, such as plants and some bacteria.

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What are photoautotrophs?

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Photoautotrophs are a type of autotroph that specifically use sunlight to produce food through photosynthesis.

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What are heterotrophs?

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Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy, such as animals and fungi.

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What are the main reactants of photosynthesis?

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The main reactants of photosynthesis are carbon dioxide and water, which are used in the presence of sunlight to produce glucose and oxygen.

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What is the role of chlorophyll in photosynthesis?

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Chlorophyll is the green pigment in plants that captures light energy from the sun, which is essential for photosynthesis.

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What are stomata?

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Stomata are tiny openings on the surface of leaves that allow carbon dioxide to enter for photosynthesis and oxygen to exit.

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How do plants absorb water?

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Plants absorb water through their roots, which then travels up the stem through a tissue called xylem.

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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.