Ecology and the Environment
Question 1 of 30
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In a savanna ecosystem, a sudden heatwave reduces relative humidity for two weeks while soil water is still moderately available. Which change most directly reduces primary productivity during this period?
Select one option.
A
Increase in decomposer population due to faster decay
B
Increased transpiration demand causing partial stomatal closure and reduced CO2 entry
C
Increase in herbivore population due to migration
D
Increase in nitrate concentration due to faster mineralization
E
Increase in predator numbers reducing grazing pressure immediately
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