Question:
The pyramid of biomass is inverted in________ ecosystem.
The pyramid of biomass is inverted in________ ecosystem.
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Aquatic rule: Small producers (phytoplankton) → inverted biomass pyramid.
Updated On: May 4, 2026
- pond
- sea
- grassland
- forest
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The Correct Option is B
Solution and Explanation
Concept:
Ecological pyramids represent relationships between trophic levels in an ecosystem. The pyramid of biomass shows the total biomass present at each level.
Step 1: Understand inverted biomass pyramid. In aquatic ecosystems:
• Producers (phytoplankton) have low biomass but high turnover rate
• Consumers (zooplankton, fish) may have higher biomass at a given time Thus, the pyramid becomes inverted.
Step 2: Analyze options.
• (A) Pond → Can show inverted, but standard answer is sea $\times$
• (B) Sea → Classic example of inverted biomass pyramid \checkmark
• (C) Grassland → Upright pyramid $\times$
• (D) Forest → Upright pyramid $\times$
Step 3: Conclusion. \[ \text{Biomass pyramid is inverted in marine (sea) ecosystem} \]
Ecological pyramids represent relationships between trophic levels in an ecosystem. The pyramid of biomass shows the total biomass present at each level.
Step 1: Understand inverted biomass pyramid. In aquatic ecosystems:
• Producers (phytoplankton) have low biomass but high turnover rate
• Consumers (zooplankton, fish) may have higher biomass at a given time Thus, the pyramid becomes inverted.
Step 2: Analyze options.
• (A) Pond → Can show inverted, but standard answer is sea $\times$
• (B) Sea → Classic example of inverted biomass pyramid \checkmark
• (C) Grassland → Upright pyramid $\times$
• (D) Forest → Upright pyramid $\times$
Step 3: Conclusion. \[ \text{Biomass pyramid is inverted in marine (sea) ecosystem} \]
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