How advantageous traits become more common over time
When a heritable trait helps an individual survive and reproduce better than others in the same population, that trait tends to become more common in the population over time, since more of the next generation inherits it. This is how populations adapt: environmental factors, like a changing climate, a new predator, or a geographic barrier, change which traits are actually advantageous, driving a shift in how common different versions of a gene are within the population over time.
This explanation is AI-generated and can occasionally be wrong.
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