Answer to Question 1ANS: D
The compensation can change with the angle of the sun, turbidity, and surface turbulence. The
compensation depth is always below the greatest productivity depth in an area. Information can be
found in the section Production Equals Consumption at the Compensation Depth.
Answer to Question 2ANS: D
The compensation depth is when the photosynthetic production is equivalent to the consumption
during respiration. There is a net productivity of zero. Information can be found in the section
Production Equals Consumption at the Compensation Depth.