The percentage of biomass regularly decomposed within the euphotic zone is about:
A)1%.
B)10%.
C)30%.
D)50%.
E)90%.

Question

Quizplus · Accepted Answer

The euphotic zone is the upper layer of the ocean where sunlight can penetrate and photosynthesis can occur. The percentage of biomass regularly decomposed within the euphotic zone is about 90%. This is because the euphotic zone is home to a large number of organisms that decompose organic matter, such as bacteria, fungi, and protozoa.

The Percentage of Biomass Regularly Decomposed Within the Euphotic Zone