Before You Begin
Question #46192
The Question
Aves exhibit several anatomical and physiological adaptations to meet the immense metabolic demands of flight. Considering the relationship between these adaptations, metabolic flux, and ecosystem energetics, which of the following statements is INCORRECT?
Options
- A.
Pneumatic long bones decrease overall body mass, thereby reducing the metabolic energy required to maintain lift during flight.
- B.
Air sacs connected to the lungs supplement respiration, ensuring continuous oxygenation to meet the high metabolic demand of flight muscles.
- C.
The high metabolic cost of endothermy and flight allows avian species to maximize their biomass at higher trophic levels, overcoming the limitations of ecosystem trophic efficiency.
- D.
In ecosystems with low trophic efficiency, the immense metabolic flux required for flight acts as a bottleneck, strictly limiting the maximum body size of flying birds.
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
Aves Pneumatic Bones|Trophic Efficiency Limits|Metabolic Flux
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Integrating Class 11 Animal Kingdom (Avian adaptations) with Class 12 Ecology (Energy flow).
Common Misconception: Students often assume that highly efficient physiological systems (like avian respiration and endothermy) allow organisms to bypass ecological constraints.
In reality, the massive metabolic cost of flight acts as a strict limiting factor on body size and biomass due to the 10% energy transfer law.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Animal Kingdom - Class 11 |
| Concept | Aves Pneumatic Bones |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |