A High-Oxygen Content and a Low-Nutrient Content in Surface Seawater

question 31

Multiple Choice

A high-oxygen content and a low-nutrient content in surface seawater indicate that a population of ________ are present.

• A) animals
• B) phytoplankton
• C) bacteria
• D) decomposers
• E) None of these is correct; they indicate no life presence.

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