Photosynthesis and cellular respiration are two life processes that complement each other.
Plants make their own food through a process called photosynthesis, which takes place in the chloroplasts of a plant cell.
This makes them autotrophs: organisms that form organic substances from inorganic substances.
To perform photosynthesis, sunlight must be absorbed by chlorophyll. Water and carbon dioxide move in through the stomata.
These reactants are then converted into oxygen and glucose, which are released from the plant through gas exchange.
*Cellular respiration converts stored energy into usable energy*
Aerobic respiration is a reaction performed by heterotrophs, organisms that cannot produce their own food.
Taking place in the mitochondria, oxygen and glucose are taken in and converted to carbon dioxide, water, and ATP energy.
When oxygen is not present, heterotrophs must rely on anaerobic respiration. It's usually used as an emergency reaction because it's less efficient, producing only 2 ATP per glucose.
Anaerobic respiration occurs in the cytoplasm, where energy is released from glucose during glycolysis.
Without photosynthesis or cellular respiration, neither autotrophs nor heterotrophs would survive.
How do photosynthesis and cellular respiration correlate?
The products of one process are the reactants of the other.
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