Which of these ecosystems has the lowest net primary production per square meter?
A) a salt marsh
B) an open ocean
C) a coral reef
D) a tropical rain forest

Question

Quizplus · Accepted Answer

The open ocean has the lowest net primary productivity per square meter among the options listed. This is because, despite its vast size and overall contribution to Earth's total primary production, the nutrient levels in most open ocean areas are relatively low, limiting the growth of phytoplankton, which are the primary producers in these ecosystems.

Which of These Ecosystems Has the Lowest Net Primary Production