How do plants make food?
Plants are autotrophic organisms, meaning that they can produce their own food through a process called photosynthesis. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy from the sun into chemical energy in the form of glucose (sugar) and release oxygen as a byproduct.
Photosynthesis occurs in the chloroplasts of plant cells, which contain a green pigment called chlorophyll that absorbs light energy from the sun. The light energy is used to split water molecules into oxygen and hydrogen ions. The oxygen is released into the atmosphere, while the hydrogen ions are used to produce ATP, a type of energy-rich molecule that fuels the synthesis of glucose from carbon dioxide.
Glucose produced during photosynthesis is used by plants as a source of energy for growth, reproduction, and other cellular processes. Excess glucose is stored in the form of starch in various parts of the plant, such as roots, stems, and leaves, and can be used as a source of energy when sunlight is scarce or unavailable.
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