- 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.
Used by arrangement with John Wiley & Sons, Inc.
- 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.
- Informal A competitive hierarchy: “was reduced to character roles while struggling to defend his position in the Hollywood food chain” (Kathryn Shattuck).
aquatic food chain diagram
food chain - Cultural Definition
The series of steps by which energy is obtained, used, and transformed by living things. For example: sunlight helps grain to grow, the grain feeds cattle, and humans eat the cattle.
- Harmful chemicals can become concentrated as they move up the food chain.
food chain - Science Definition
examples of terrestrial (left) and aquatic (right) food chains
Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.