CBSE · Class 12 · Biology · EvolutionThe phenomenon of industrial melanism in the peppered moth (Biston betularia) provides a classic field observation for:
Step-by-Step Solution
Industrial melanism demonstrates natural selection operating in wild populations, where dark-colored moths survived better against soot-covered tree trunks in polluted industrial areas compared to light-colored variants.
Detailed Options Breakdown
Option : Mutation
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 1: Natural selection (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Genetic drift
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
Option 3: Adaptive radiation
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Evolution.
💡 Study Guide: This question tests core syllabus concepts from Evolution. For formulas, key summaries, and mock exam reference guides, read the full Evolution Revision Notes.