| A | B |
| agribusiness | the business associated with the production and distribution of agricultural products |
| caloric intake | the amount of units of energy that an individual consumes |
| genetic ingineering | direct manipulation of genetic material to alter the hereditary traits of a cell or organism |
| first green revolution | international agricultural project that boosted grain yields |
| second green revolution | international agricultural project that introduced genetically ingineered fast growing plants |
| Liebig's Law of the minimum | the concept that the growth or survival of a population is directly related to the life requirement that it is in the least supply |