n. | 1. a hierarchy of different living things, each of which feeds on the one below 2. the natural process in which one living thing is eaten by another, which is then eaten by another, etc. 3. the series of processes in which food is grown, treated, stored, and sold 4. a series of positions in an organization, with each one more important than the one before 1. a hierarchy of different living things, each of which feeds on the one below 2. the natural process in which one living thing is eaten by another, which is then eaten by another, etc. 3. the series of processes in which food is grown, treated, stored, and sold 4. a series of positions in an organization, with each one more important than the one before |