An autotroph is an organism that produces complex organic compounds (such as carbohydrates, fats, and proteins) using carbon from simple substances such...

of nutrition (trophic levels), the other being autotrophs (auto = self, troph = nutrition). Autotrophs use energy from sunlight (photoautotrophs) or oxidation...

Photoautotrophs are organisms that can utilize light energy from sunlight and elements (such as carbon) from inorganic compounds to produce organic materials...

A chemotroph Greek words “chemo” (meaning chemical) and “troph” (meaning nourishment) is an organism that obtains energy by the oxidation of electron donors...

chain is a linear network of links in a food web, often starting with an autotroph (such as grass or algae), also called a producer, and typically ending...

responsible for primary production are known as primary producers or autotrophs, and form the base of the food chain. In terrestrial ecoregions, these...

of obtaining energy, some 99% of flowering plants are photosynthetic autotrophs, deriving their energy from sunlight and using it to create molecules...

ecological community. Ecologists can broadly define all life forms as either autotrophs or heterotrophs, based on their trophic levels, the position that they...

September 1982). "Microbiology of thiobacilli and other sulphur-oxidizing autotrophs, mixotrophs and heterotrophs". Philosophical Transactions of the Royal...

organic molecules as a source of both carbon and energy. In contrast, autotrophs may use inorganic materials as a source for both, such as inorganic chemical...