Photosynthesis and cellular respiration are complementary processes in the energy cycle of living organisms. In photosynthesis, plants convert sunlight, carbon dioxide, and water into glucose and oxygen. Cellular respiration, in turn, breaks down glucose in the presence of oxygen to produce energy (ATP) required by cells. This interdependence maintains the balance of oxygen and carbon dioxide in the atmosphere and supports life by providing energy and resources for growth and reproduction.
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Photosynthesis and cellular respiration form a vital cycle that sustains life. Photosynthesis in plants converts sunlight, carbon dioxide, and water into glucose and oxygen. Cellular respiration in animals and plants uses this glucose and oxygen to produce energy (ATP), releasing carbon dioxide and water as byproducts. The oxygen produced in photosynthesis is essential for respiration, while the carbon dioxide from respiration fuels photosynthesis. Together, they maintain the balance of oxygen and carbon dioxide in the atmosphere and provide energy for all living organisms.
Photosynthesis and cellular respiration are complementary processes that sustain life by cycling energy through ecosystems. During photosynthesis, plants, algae, and some bacteria convert light energy into chemical energy stored in glucose, using carbon dioxide and water. This process produces oxygen as a byproduct. In cellular respiration, organisms, including plants and animals, break down glucose (and other organic molecules) in the presence of oxygen to release stored energy, which is used to produce ATP, the cell’s primary energy currency. The byproducts of cellular respiration are carbon dioxide and water, which are then used by plants in photosynthesis. Together, these processes create a cycle: photosynthesis captures and stores energy, while cellular respiration releases it, maintaining the flow of energy and nutrients essential for life on Earth.