The following questions refer to the figure above illustrating the stratifications of a lake in a temperate region.
-The profundal zone is indicated by
A) A.
B) B.
C) C.
D) D.
E) none of these.

Question

The following questions refer to the figure above illustrating the stratifications of a lake in a temperate region.
-The profundal zone is indicated by
A) A. 
B) B. 
C) C. 
D) D. 
E) none of these.

Quizplus · Accepted Answer

The profundal zone in a lake is the deepest part that is below the level of light penetration. In the figure, zone D is the deepest and furthest away from the shore, which indicates it is the profundal zone. Zones A, B, and C are all above the level of light penetration and are considered part of the littoral and limnetic zones.

The Following Questions Refer to the Figure Above Illustrating the Stratifications