What is the most important source of nutrients for phytoplankton in the open ocean?
W)salt fingers
X) upwelling
Y) photic zone recycling
Z) mixing by internal waves
Answer: Y) Photic zone recycling
What is the most important source of nutrients for phytoplankton in the open ocean?
W)salt fingers
X) upwelling
Y) photic zone recycling
Z) mixing by internal waves
Answer: Y) Photic zone recycling