Where does most photosynthesis occur in the open ocean?
A) the top 10 meters
B) below 100 meters
C) the top 50 meters
D) below 50 meters
E) photosynthesis occurs uniformly in the open ocean

Question

Quizplus · Accepted Answer

Most photosynthesis in the open ocean occurs in the top 50 meters, where sunlight can penetrate the water effectively enough to support the process. Below this depth, light intensity decreases significantly, limiting photosynthetic activity.

Where Does Most Photosynthesis Occur in the Open Ocean