AP Environmental Scienceeasymcq1 pt
An ecosystem's producers capture 800 kcal/m²/yr and respire 300. What is the NPP?
A.500 kcal/m²/yr
B.1100 kcal/m²/yr
C.300 kcal/m²/yr
D.800 kcal/m²/yr
Explanation
Core Concept
NPP = GPP − respiration = 800 − 300 = 500 kcal/m²/yr — the energy actually available to consumers.
Correct Answer
A500 kcal/m²/yr
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