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The approximate P: B (Net Primary Production: Biomass) ratios in four different ecosystems (A, B, C, D) are
A - 0.29; B - 0.042; C - 16.48; D - 8.2.
The four ecosystems are
A - Ocean; B - Lake; C - Grassland; D - Tropical forest
A - Grassland; B - Tropical forest; C - Ocean; D - Lake
A - Tropical forest; B - Ocean; C - Grassland; D - Lake
A - Grassland; B - Ocean; C - Lake; D - Tropical forest
Answers (1)
Based on the given P:B (Net Primary Production:Biomass) ratios, the ecosystems can be matched as follows:
A - Grassland: The P:B ratio of 0.29 suggests a moderate productivity relative to biomass in a grassland ecosystem.
B - Tropical forest: The low P:B ratio of 0.042 suggests a relatively low productivity compared to biomass in a tropical forest ecosystem.
C - Ocean: The high P:B ratio of 16.48 indicates a high productivity relative to biomass in an ocean ecosystem.
D - Lake: The P:B ratio of 8.2 suggests a high productivity compared to biomass in a lake ecosystem.
Therefore, the correct matching is A - Grassland, B - Tropical forest, C - Ocean, D - Lake. Hence, the correct answer is option 2.
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