Multiple Choice
The figure below shows the net primary productivity (NPP) in terrestrial biomes around the world. The pattern of NPP in terrestrial ecosystems as shown suggest that 
A) terrestrial productivity is highly sensitive to temperature and available sunlight with the highest productivity at the equator.
B) without shade from overhead vegetation, marine productivity typically exceeds that found in terrestrial ecosystems.
C) terrestrial ecosystems are not limited by sunlight or temperature.
D) most terrestrial productivity results from the input of marine-derived nutrients.
Correct Answer:

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Correct Answer:
Verified
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