The Major Concentrations of Life in the Oceans Are Found

question 43

Multiple Choice

The major concentrations of life in the oceans are found in:

• A)the aphotic zone due to high light levels.
• B)deep, large oceans due to high nutrient concentrations.
• C)the oligotrophic zone due to clear and clean water.
• D)regions of upwelling and in shallow coastal waters.
• E)the anoxic zone.