what is autotroph and autotrophic?
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An autotroph or primary producer is an organism that produces complex organic compounds using carbon from simple substances such as carbon dioxide, generally using energy from light or inorganic chemical reactions.
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It is mode of nutrition in which organisms, mainly green plants manufacture their food by itself. This mode of nutrition is performed by organisms called autotrophs.
- Photosynthesis Autotrophs- organisms which fulfil their carbon and energy requirements by process of photosynthesis using sunlight as a source of energy.
Eg- Green plants.
- Chemosynthesis autotrophs- organisms which utilise chemical energy to
synthesize their organic materials(food). For eg- Bacteria
On the basis of sources of energy
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers.
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