| Main Entry: | food chain |
| Part of Speech: | noun |
| Definition: | feeding relationships among organisms |
| Synonyms: | food cycle, food web |
| Notes: | a food web is made up of food chains; a food chain is a series of organisms each depending on the next for food |
| Main Entry: | pecking order |
| Part of Speech: | noun |
| Definition: | hierarchy |
| Synonyms: | chain of command, chain of command, class structure, corporate ladder, dominance, due order, echelons, food chain, grouping, hierarchy, line of dominance, order, placing, position, power structure, ranking, scale, social hierarchy, social ladder, social pyramid, social stratification, social structure |