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:

Verified
Correct Answer:
Verified
Q16: Explain why ecosystems do not always have
Q20: Your spacecraft crash-lands on an airless,lifeless moon.All
Q22: A tallgrass prairie or beech-maple woodland are
Q23: In the diagram below,how do nutrient and
Q25: If a person needs to consume 100
Q39: What best explains this observation: consumers directly
Q41: Which of the following describes the ultimate
Q43: Match each term to its correct description
Q46: What would happen to nutrient cycling in
Q63: A community of organisms together with the