Many of the Organisms in the Ocean Are Nutrient-Limited

question 35

Multiple Choice

Many of the organisms in the ocean are nutrient-limited. If you wanted to investigate this phenomenon, one reasonable approach would be to ________.

• A) observe Antarctic Ocean productivity from year to year to see if it changes
• B) experimentally enrich some areas of the ocean and compare their productivity to that of untreated areas
• C) compare nutrient concentrations between the photic zone and the benthic zone in various marine locations
• D) contrast nutrient uptake by autotrophs in marine locations that are different temperatures

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