Evolution: Natural Selection
Easybiology
Industrial melanism in peppered moths exemplifies:
Select the correct option:
Solution
Incorrect! Answer:
Directional selection
- Pre-Industrialization: Most peppered moths were light-colored to blend in with lichen-covered tree trunks. Dark moths were easily spotted and eaten by birds.
- Post-Industrialization: Soot darkened the trees and killed lichens. Now, light moths were vulnerable, and dark moths had a survival advantage.
- Shift: Natural selection favored one extreme phenotype (melanic/dark) over the other.
- Nature of Selection: This is Directional Selection, where the average phenotype of a population shifts in one specific direction in response to an environmental change.
🔒 Solution Hidden from View
Submit your answer to unlock the detailed step-by-step solution.
About This Question
- Subject
- biology
- Chapter
- genetics and evolution
- Topic
- evolution: natural selection
- Difficulty
- Easy
- Year
- 2025
This easy difficulty biology question is from the chapter genetics and evolution, covering the topic of evolution: natural selection. It appeared in the 2025 exam. Practice this and similar questions to strengthen your understanding of genetics and evolution concepts.
Looking for more practice? Explore all biology questions or browse genetics and evolution questions on RankGuru.