Most of the Ocean's Productivity Occurs ____

Question

Most of the ocean's productivity occurs ____.  
A) in the open ocean
B) in the intertidal zone
C) in the pelagic province
D) near hydrothermal vents
E) in the benthic province

Accepted Answer

The pelagic province, particularly the photic zone where sunlight penetrates, is where most of the ocean's productivity occurs due to the abundance of phytoplankton that perform photosynthesis.