Explain the concept of natural selection and use moths as an example.
Understand the Problem
The question is asking for an explanation of the concept of natural selection using moths as a specific example. This includes defining natural selection and illustrating it with the characteristics and survival of moth populations.
Answer
Natural selection favors traits that enhance survival. In peppered moths, dark moths camouflaged better during the Industrial Revolution, surviving more and increasing in number.
Natural selection is the process by which certain traits become more common in a population because they enhance the ability to survive and reproduce. For peppered moths, during the Industrial Revolution, pollution darkened trees. Dark moths were better camouflaged and survived predation more effectively, increasing their population.
Answer for screen readers
Natural selection is the process by which certain traits become more common in a population because they enhance the ability to survive and reproduce. For peppered moths, during the Industrial Revolution, pollution darkened trees. Dark moths were better camouflaged and survived predation more effectively, increasing their population.
More Information
The example of peppered moths demonstrates natural selection, making it a frequently cited example for demonstrating Darwin's theory of evolution. The change in moth coloration due to industrial pollution highlights natural selection's impact on survival.
Tips
One common mistake is attributing changes in moth population genetics solely to mutations, whereas natural selection acts on existing variation.
Sources
- Natural selection in peppered moths (video) - Khan Academy - khanacademy.org
- The web page with info on - Example Source - askabiologist.asu.edu
- Peppered Moth and natural selection - Butterfly Conservation - butterfly-conservation.org
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