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| an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide |
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noun: photosynthesis
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the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
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| an organism deriving its nutritional requirements from complex organic substance |
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| an animal that feeds on flesh |
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an animal that feeds on carrion, dead plant material, or refuse.
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a person who searches for and collects discarded items
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an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
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a device or installation that is used to break down a chemical substance
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| Primary producers are the organisms in an ecosystem that produce biomass from inorganic compounds (autotrophs). In almost all cases these are photosynthetically active organisms (plants, cyanobacteria and a number of other unicellular organisms; see article on photosynthesis) |
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| the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight |
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An autotrophic organism that serves as a source of food for other organisms in a food chain. Producers include green plants, which produce food through photosynthesis, and certain bacteria that are capable of converting inorganic substances into food through chemosynthesis.
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an animal that feeds on plants.
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an animal or person that eats food of both plant and animal origin.
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an animal that feeds on dead organic material, especially plant detritus.
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