Chapter 3, The Biosphere - 3.2 - Energy, Producers, and Consumers - 3.2 Assessment - Page 72: 1b

Each step in the food web is termed as a trophic level

An organism's trophic level is the position it holds in a food chain. A food chain is a series of species that consume other organisms and may be consumed in turn. The number of steps an organism has taken from the beginning of the food chain determines its trophic level.