3. In an ecosystem where the "whale pump" process occurs, which change would most likely increase the amount of nutrients recycled into shallower ocean depths?
A. Introducing more fish into the ecosystem to increase the fish population,
B. Improving whaling efforts to decrease the whale population.
C. Removing phytoplankton from shallow ocean depths to decrease the amount of
phytoplankton.
D. Making whales a protected species to increase the whale population