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Question #46038
The Question
Read the following statements regarding global species diversity patterns and the mechanisms of biodiversity loss: (I) Tropical latitudes exhibit higher species richness because their relatively constant and predictable environments promote extensive niche specialization. (II) The prolonged evolutionary time available in tropical regions has fostered complex, obligate trophic interdependencies. (III) During rapid climate shifts, this high degree of niche specialization acts as a buffer, protecting the tropical ecosystem from cascading extinctions. (IV) The extinction of a highly specialized tropical plant species will inevitably lead to the co-extinction of its obligate pollinator. Which of the statements are CORRECT?
Options
- A.
I, II, and IV only
- B.
I, III, and IV only
- C.
II, III, and IV only
- D.
I, II, III, and IV
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Comparative_Analysis
Sharpen your ability to evaluate multiple scenarios and distinguish between competing potential answers.
Concepts Behind This Question
Ecological Succession Climax|Inverted Biomass Pyramids|Primary Productivity
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: The paradox of tropical diversity.
Students frequently conflate 'high biodiversity' with 'absolute resilience'.
While high diversity generally increases ecosystem stability, the specific mechanism of that diversity in the tropics (extreme niche specialization and obligate mutualism) creates a critical vulnerability.
If a highly specialized species falls, the strict trophic interdependence guarantees Co-extinction, turning an evolutionary advantage into a catastrophic disadvantage during rapid environmental shifts.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Biodiversity and Conservation - Class 12 |
| Concept | Global Species Diversity Patterns |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |