Are any of the following in the primary consumer trophic level? Tilapia, catfish, shrimp, lobster, zooplankton, phytoplankton, sardines, salmon, tuna (canned), goldeye (fresh-water), and sharks

Answer 1

Tilapia, catfish, shrimp, lobster, sardines, and zooplankton are in the primary consumer trophic level. Phytoplankton, salmon, tuna (canned), goldeye (freshwater), and sharks are not in the primary consumer trophic level.