Food-chain meaning

The definition of a food chain is a system where a small animal is the food for a larger animal which, in turn, is the food for an even larger animal.

An example of food chain is a fly being eaten by a frog and then the frog is eaten by a larger animal.

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A succession of organisms in an ecological community that are linked to each other through the transfer of energy and nutrients, beginning with an autotrophic organism such as a plant and continuing with each organism being consumed by one higher in the chain.
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The sequence of the transfer of food energy from one organism to another in an ecological community. A food chain begins with a producer , usually a green plant or alga that creates its own food through photosynthesis. In the typical predatory food chain, producers are eaten by primary consumers (herbivores) which are eaten by secondary consumers (carnivores), some of which may in turn be eaten by tertiary consumers (the top carnivore in the chain). &diamf3; Many species of animals in an ecological community feed on both plants and animals and thus play multiple roles in the chain. Parasites feed on living tissues, generally without killing their hosts, and may themselves be hosts to smaller parasites. In addition, organisms that die without being eaten are consumed by detritivores, some of which serve as prey for other consumers. The complex system of interrelated food chains in an environment is known as a food web.
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A competitive hierarchy.

Works high up in the corporate food chain.

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A sequence (as grass, rabbit, fox) of organisms in a community in which each member feeds on the one below it.
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(idiomatic) A hierarchy.

With my promotion this month I will continue my steady journey to the top of the food chain.

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A competitive hierarchy.

Works high up in the corporate food chain.

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A succession of organisms in an ecological community that are linked to each other through the transfer of energy and nutrients, beginning with an autotrophic organism such as a plant and continuing with each organism being consumed by one higher in the chain.
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