Primary productivity of the open oceans is very limited because of
A)the shortage of water.
B)the shortage of light.
C)the shortage of nutrients.
D)low temperature.

Question

Quizplus · Accepted Answer

The primary productivity of open oceans is mainly limited by the shortage of nutrients. In these vast areas, essential nutrients such as nitrogen, phosphorus, and iron are often in short supply, limiting the growth of phytoplankton, which are the foundation of the marine food web.

Primary Productivity of the Open Oceans Is Very Limited Because