Coastal Regions of the Ocean Have High Primary Productivity

question 118

Multiple Choice

Coastal regions of the ocean have high primary productivity. What is the primary reason for this pattern?

• A)There are few competitors so more photosynthetic organisms can live there.
• B)Sunlight is able to penetrate coastal waters, so photosynthetic rates are high among autotrophs.
• C)The water is warm, so more autotrophs live in coastal areas.
• D)Erosional runoff from continents supplies abundant nutrients.
• E)Upwelling of nutrient-rich deep waters commonly occurs along continental margins.

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