What is Mutation?
Mechanisms of Evolution Review

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Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A change in the DNA sequence of an organism that can lead to new traits in offspring.
2.
FLASHCARD QUESTION
Front
What is Natural Selection?
Back
The process by which organisms better adapted to their environment tend to survive and produce more offspring.
3.
FLASHCARD QUESTION
Front
What is Genetic Drift?
Back
A mechanism of evolution that refers to random changes in the frequency of alleles in a population.
4.
FLASHCARD QUESTION
Front
What is Gene Flow?
Back
The transfer of genetic material between populations, which can increase genetic diversity.
5.
FLASHCARD QUESTION
Front
How does Mutation contribute to evolution?
Back
Mutations introduce new genetic variations, which can be acted upon by natural selection.
6.
FLASHCARD QUESTION
Front
What is an example of Natural Selection?
Back
Insects developing resistance to pesticides due to selective pressure from chemical exposure.
7.
FLASHCARD QUESTION
Front
What is an example of Genetic Drift?
Back
A forest fire that randomly kills a large portion of a population, altering allele frequencies.
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