In ocean environments,the highest net primary productivity tends to be in coastal zones and upwelling zones,because they
A) receive the most rainfall.
B) receive constant inputs of nutrients.
C) are all in temperate or tropical zones.
D) are shallow and therefore receive the most sunlight.
E) are close to hydrothermal vents,which provide nutrients.

Question

Quizplus · Accepted Answer

Coastal zones and upwelling zones receive constant inputs of nutrients, often from rivers and ocean currents respectively. This creates ideal conditions for phytoplankton growth and high net primary productivity.

In Ocean Environments,the Highest Net Primary Productivity Tends to Be