Dictionary

food chain

noun

: a series of types of living things in which each one uses the next lower member of the series as a source of food

Full Definition of FOOD CHAIN

1
:  an arrangement of the organisms of an ecological community according to the order of predation in which each uses the next usually lower member as a food source
2
:  a hierarchy based on power or importance <at the top of the corporate food chain>

First Known Use of FOOD CHAIN

1920

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