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  2. Stockbroker - Wikipedia

    en.wikipedia.org/wiki/Stockbroker

    A stockbroker is an individual or company that buys and sells stocks and other investments for a financial market participant in return for a commission, markup, or fee.In most countries they are regulated as a broker or broker-dealer and may need to hold a relevant license and may be a member of a stock exchange.

  3. Photoautotroph - Wikipedia

    en.wikipedia.org/wiki/Photoautotroph

    Photoautotrophs are organisms that can utilize light energy from sunlight and elements (such as carbon) from inorganic compounds to produce organic materials needed to sustain their own metabolism (i.e. autotrophy). Such biological activities are known as photosynthesis, and examples of such organisms include plants, algae and cyanobacteria.

  4. Consumer (food chain) - Wikipedia

    en.wikipedia.org/wiki/Consumer_(food_chain)

    Consumers are typically viewed as predatory animals such as meat-eaters. However, herbivorous animals and parasitic fungi are also consumers. To be a consumer, an organism does not necessarily need to be carnivorous; it could only eat plants (producers), in which case it would be located in the first level of the food chain above the producers.

  5. Financial intermediary - Wikipedia

    en.wikipedia.org/wiki/Financial_intermediary

    A financial intermediary is an institution or individual that serves as a "middleman" among diverse parties in order to facilitate financial transactions.Common types include commercial banks, investment banks, stockbrokers, insurance and pension funds, pooled investment funds, leasing companies, and stock exchanges.

  6. Stock trader - Wikipedia

    en.wikipedia.org/wiki/Stock_trader

    A stock trader or equity trader or share trader, also called a stock investor, is a person or company involved in trading equity securities and attempting to profit from the purchase and sale of those securities. [1] [2] Stock traders may be an investor, agent, hedger, arbitrageur, speculator, or stockbroker.

  7. Autotroph - Wikipedia

    en.wikipedia.org/wiki/Autotroph

    The primary producers can convert the energy in the light (phototroph and photoautotroph) or the energy in inorganic chemical compounds (chemotrophs or chemolithotrophs) to build organic molecules, which is usually accumulated in the form of biomass and will be used as carbon and energy source by other organisms (e.g. heterotrophs and mixotrophs).

  8. Food chain - Wikipedia

    en.wikipedia.org/wiki/Food_chain

    Food chain in a Swedish lake. Osprey feed on northern pike, which in turn feed on perch which eat bleak which eat crustaceans.. A food 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 at an apex predator (such as grizzly bears or killer whales), detritivore (such as earthworms and woodlice ...

  9. Phototroph - Wikipedia

    en.wikipedia.org/wiki/Phototroph

    Cyanobacteria, which are prokaryotic organisms which carry out oxygenic photosynthesis, occupy many environmental conditions, including fresh water, seas, soil, and lichen. Cyanobacteria carry out plant-like photosynthesis because the organelle in plants that carries out photosynthesis is derived from an [ 4 ] endosymbiotic cyanobacterium. [ 5 ]