Net primary productivity in an ecosystem increases as mean annual temperature
A. and mean annual rainfall decrease.
B. decreases and mean annual rainfall increases.
C. increases and mean annual rainfall decreases.
D. and mean annual rainfall increase.
Answer:D
Net primary productivity in an ecosystem increases as mean annual temperature
A. and mean annual rainfall decrease. B. decreases and mean annual rainfall increases. C. increases and mean annual rainfall decreases. D. and mean annual rainfall increase.