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Question #47458
The Question
Paul Ehrlich’s 'Rivet Popper Hypothesis' illustrates how the loss of critical species (rivets on the wings) disproportionately compromises ecosystem stability. If this analogy is applied to the internal 'ecosystem' of a mammalian brain, the congenital absence of which structure would most directly represent the loss of a 'wing rivet' by abolishing the interhemispheric communication essential for cross-modal sensory integration?
Options
- A.
Corpora quadrigemina
- B.
Corpus callosum
- C.
Thalamus
- D.
Association areas
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Evolutionary_Exception
Tackle problems where standard rules evolve or change based on specific environmental constraints.
Concepts Behind This Question
Keystone_Species|Ecosystem_Stability|Corpus Callosum Functionality
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Bridging macro-ecology (Rivet Popper Hypothesis) with neuroanatomy.
The student must identify the specific anatomical structure responsible for interhemispheric integration (corpus callosum) and recognize its role as a critical 'biological service' provider for mammalian survival.
The primary trap is 'Association areas', which handle intersensory associations but are not the physical interhemispheric bridge.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Neural Control and Coordination - Class 11 |
| Concept | Corpus Callosum Functionality |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |