Multiple Choice
The aquatic ecosystem with the least amount of inorganic matter is
A) estuaries.
B) coral reefs.
C) open oceans.
D) lakes.
E) swamps. Aquatic systems are limited by the amount of inorganic matter. Thus the aquatic system with the least amount of inorganic matter is the one that has the lowest primary productivity, which is open oceans.
Correct Answer:

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Correct Answer:
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