APFIVE Algal Blooms and Dissolved Oxygen
After an algal bloom in a marine ecosystem is followed by a massive die-off, what is the most likely impact on the concentration of dissolved oxygen in the water?
A
Remain stable as carbon cycling reaches equilibrium
B
Increase due to continued photosynthesis by surviving algae
C
Decrease due to increased cellular respiration during decomposition
D
Fluctuate randomly independent of biological processes
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