Overproduction of organic matter resulting in anoxic conditions is attributed to:
A) autotrophication.
B) eutrophication.
C) net primary productivity.
D) photoperiodicity.
E) phototropism.
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Q53: Productivity in tropical oceans is generally:
A)light-limited.
B)nutrient-limited.
C)oxygen-limited.
D)light and
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Q57: Energy flow in an ecosystem is:
A)bi-directional.
B)cyclic.
C)semi-conservative.
D)top down.
E)unidirectional.
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Q60: The mass of a population of fish
Q61: Briefly describe the feeding strategies employed by
Q62: Examine the five words and/or phrases and
Q63: All of the following are challenges to
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