Multiple Choice
Why must oxygen concentrations remain at low levels for pond succession to occur?
A) High oxygen levels would cause succession to run too quickly, leaving no climax community.
B) High oxygen levels increase the chance of drought in areas around the pond.
C) Low oxygen levels allow for easier colonization of plants at the pond edge.
D) Low oxygen levels decrease decomposition rates, resulting in peat production.
Correct Answer:

Verified
Correct Answer:
Verified
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