♻️ap environmental science review

Trophic Level

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

A trophic level refers to the position of an organism in a food chain or food web, determined by its source of energy and how it obtains nutrients. Each level represents a different feeding relationship and energy transfer.