If a genetic predisposition to fear darkness contributes to reproductive success, that trait will likely be passed on to subsequent generations. This best illustrates

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This scenario describes natural selection, where a genetic trait that increases the chances of reproductive success (in this case, fear of darkness) is more likely to be passed on to future generations. This process would result in the gradual evolution of certain traits within a population over time.

If a Genetic Predisposition to Fear Darkness Contributes to Reproductive