Q.1
The species concept that explains that a species’ integrity is maintained by interbreeding within a species as well as by
reproductive barriers between organisms in different species is known as
- Biological Species Concept (BSC): Formulated by the evolutionary biologist Ernst Mayr in 1942.
- Definition: Defines a species as groups of actually or potentially interbreeding natural populations that are reproductively isolated from other such groups.
- Key Principle: Species integrity is maintained internally by gene flow via interbreeding among conspecifics, and externally by intrinsic reproductive barriers preventing gene exchange with other species. (Correct answer: Option 3)
Explanation not matching this question?
क्या व्याख्या इस प्रश्न से मेल नहीं खा रही?
Report
Want to practice this paper in exam conditions?
क्या आप परीक्षा जैसे माहौल में अभ्यास करना चाहते हैं?
Test yourself in 5-question batch format with timer and hidden answers.
5-प्रश्नों के बैच फॉर्मैट, टाइमर और छिपे उत्तरों के साथ खुद को परखें।
Start Practice Mode →
प्रैक्टिस टेस्ट मोड शुरू करें →