The percentage of euphotic zone biomass that reaches the deep ocean floor is approximately:
A) 1%.
B) 10%.
C) 30%.
D) 50%.
E) 90%.
Correct Answer:
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Q43: The percentage of biomass regularly decomposed within
Q44: Nutrient flow in an ecosystem is:
A)bi-directional.
B)cyclical.
C)semi-conservative.
D)top down.
E)unidirectional.
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Q46: The area of the ocean that produces
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Q51: In temperate oceans of the northern hemisphere
Q52: If 10,000 kilocalories (kcal)of energy were contained
Q53: Productivity in tropical oceans is generally:
A)light-limited.
B)nutrient-limited.
C)oxygen-limited.
D)light and
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