In either freshwater or marine biomes, which regions would you expect to have the HIGHEST productivity?
A)near the surface where sunlight penetrates
B)just below the deepest level where sunlight penetrates
C)at the deepest depth of the biome
D)in the middle depths of the biome

Question

Quizplus · Accepted Answer

Sunlight is a key factor in primary productivity, as photosynthesis requires light energy. Therefore, the regions where sunlight penetrates the most (near the surface) will have the highest productivity.

In Either Freshwater or Marine Biomes, Which Regions Would You