What does food chain mean?

food chain


1. A succession of organisms in an ecological community that constitutes a continuation of food energy from one organism to another as each consumes a lower member and in turn is preyed upon by a higher member.

2. Informal. A competitive hierarchy: "was reduced to character roles while struggling to defend his position in the Hollywood food chain" (Kathryn Shattuck).

Above retrieved from Answers.com


the flow of energy from one organism to another.