The diagram represents a food web in a marine ecosystem which statement best describes the role of two populations within this food web?

A: Phytoplankton and cod are both producers.
B: phytoplankton and zooplankton are both producers.
C: zooplankton are producers, and phytoplankton are consumers.
D: phytoplankton are producers, and cod are consumers.

The diagram represents a food web in a marine ecosystem which statement best describes the role of two populations within this food web A Phytoplankton and cod class=