SME
Grade 7 Science · Life Science
Photosynthesis and cellular respiration
See how photosynthesis in a leaf and respiration in a cell use what the other makes.
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Carbon dioxide + water → sugar + oxygen, with energy from light.
Assumptions
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Photosynthesis: a leaf uses light to make sugar and oxygen from carbon dioxide and water.
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Cellular respiration: a cell breaks sugar down with oxygen to release energy, giving off carbon dioxide and water.
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Arrows going in are what the process uses; arrows going out are what it makes.
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Plant cells do both. Animal cells only respire.
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Who photosynthesizes, and who respires?
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Who photosynthesizes, and who respires?
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