Do species evolve or individuals?
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Species evolve, not individuals. Evolution refers to changes in the genetics and characteristics of a population over multiple generations. Individuals do not change their genetics over their lifetimes, so they cannot evolve. However, the genetic variation among individuals within a population can contribute to the evolution of the species as a whole. Natural selection acts on the genetics of individuals within a population, and those with advantageous traits are more likely to survive and reproduce, passing on their genes to the next generation. Over time, this can lead to changes in the frequency of certain traits within a population, ultimately resulting in evolution of the species.
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