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Question #46674
The Question
In a mature aquatic ecosystem exhibiting an inverted pyramid of biomass, the stability of the climax community is highly dependent on energy flow dynamics. Which of the following statements regarding the trophic efficiency and succession in this ecosystem is INCORRECT?
Options
- A.
The standing crop of primary producers is lower than that of primary consumers, yet the pyramid of energy remains strictly upright.
- B.
The stability of the climax community relies on the rapid turnover rate and high net primary productivity of phytoplankton, rather than their standing crop.
- C.
A restriction in secondary productivity by zooplankton will not collapse the higher trophic tiers as long as the net primary productivity remains high.
- D.
The progression of succession in this habitat is driven by increasing primary productivity, which facilitates energy flow to higher trophic levels.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Regulatory_Failure
Understand how NOT, EXCEPT, and logical constraints are used to manipulate exam results.
Concepts Behind This Question
Species_Area_Relationship|Z_value_in_Large_Areas|Alien_Species_Invasion_Impacts
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Students often confuse 'High Net Primary Productivity' with 'Ecosystem Stability'.
In systems with inverted biomass pyramids, stability is entirely dependent on the continuous flow of energy (turnover rate and secondary productivity).
A common misconception is that a strong producer base (high NPP) automatically buffers higher trophic levels, ignoring that secondary productivity acts as a critical bottleneck.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Ecosystem - Class 12 |
| Concept | Trophic Efficiency Limits |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |