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These flashcards cover key concepts related to natural selection, specifically focusing on the peppered moth example.
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Natural Selection
The process by which favorable inherited traits become more common over time.
Artificial Selection
The process where humans choose the traits of an organism.
Variation
A term that describes a difference in the same trait.
Genetic Mutation
A change in the DNA nucleotide sequence of a gene.
Survival of the Fittest
Some organisms survive better than others due to favorable traits that help them survive and reproduce.
Extinction of Unfavorable Traits
Unfavorable traits are likely to become extinct over time due to lack of survival.
Peppered Moth
A species used to illustrate natural selection, showing how color affects survival based on tree trunk coloration.
Camouflage
Coloring or markings that help an organism blend in with its surroundings.
Impact of Industrial Revolution on Moths
Pollution from coal caused tree trunks to darken, affecting the survival of light and dark moths.
Moth Population Change
Dark moth populations increased on dark trees due to camouflage, while light moth populations decreased.