From the food web below, which organism is the primary consumer? The picture shows a food web. It consists of phytoplankton (producer), zooplankton (primary consumer), small fish and crustaceans (secondary consumer), large fish (tertiary consumer), and marine mammals and people (quaternary consumers).
"Zooplankton" is the one among the following choices given in the question that is the primary consumer. This conclusion can be drawn from the picture attached with this question. I hope that this is the answer that you were looking for and the answer has actually come to your desired help.