Final answer:
Trophic levels, also known as food levels, represent the different feeding positions in a food chain or web.
Step-by-step explanation:
Trophic levels, also known as food levels, refer to the feeding positions in a food chain or web. There are usually four trophic levels, starting with producers at the first level, followed by primary consumers, secondary consumers, and tertiary consumers. Each trophic level represents a different type of organism and its position in the food chain or web.