Photosynthesis, Cellular Respiration, Carbon Cycle

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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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What are the main products of photosynthesis?

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The main products of photosynthesis are oxygen and glucose (sugar).

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What is cellular respiration?

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Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

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Where does cellular respiration occur in the cell?

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Cellular respiration occurs in the mitochondria of the cell.

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What is the role of chloroplasts in photosynthesis?

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Chloroplasts are the organelles in plant cells where photosynthesis takes place, containing chlorophyll that captures light energy.

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What is the carbon cycle?

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The carbon cycle is the process by which carbon is exchanged between the atmosphere, land, water, and living organisms, involving processes like photosynthesis, respiration, and decomposition.

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What gas do humans exhale as a waste product of respiration?

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Humans exhale carbon dioxide as a waste product of respiration.

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Which organisms benefit directly from increased levels of CO2?

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Plants, especially trees, benefit directly from increased levels of CO2 as it enhances their photosynthesis.

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What are greenhouse gases?

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Greenhouse gases are gases that trap heat in the atmosphere, contributing to the greenhouse effect; examples include carbon dioxide, methane, and water vapor.

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How does photosynthesis contribute to the carbon cycle?

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Photosynthesis removes carbon dioxide from the atmosphere and converts it into organic matter (glucose), which is then used by living organisms.

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