WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

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Which core principle best explains why trait frequencies change in a population over successive generations during natural selection?

Organisms decide to change their DNA to fit new environments Individuals with traits better adapted to their environment survive and reproduce more successfully All offspring in a species inherit identical genetic traits Environments cause beneficial mutations to occur whenever needed

Correct Answer:

Individuals with traits better adapted to their environment survive and reproduce more successfully

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