Each step in a food chain or food web is called a trophic level. Primary producers always make up the first trophic level. Various consumers occupy every other level.

Video segment. Assistance may be required. Watch this video to review the different trophic levels.

Source: Learn Biology: Trophic Levels and Producer vs. Consumer, Mahalo, YouTube

Interactive exercise. Assistance may be required. Let's see what you have learned! Drag the term to the correct spot next to the pyramid.


Images used in this activity, as they appear from top to bottom: