In close comparisons, external fertilization often yields more offspring than does internal fertilization, but internal fertilization offers the advantage that

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Internal fertilization often results in a smaller number of offspring, but these offspring receive greater parental investment. This increases the likelihood of offspring survival and successful reproduction, leading to a potentially larger population increase in the long run. Additionally, with internal fertilization, there can be more control over mating partners and mate choice, leading to better genetic outcomes.

In Close Comparisons, External Fertilization Often Yields More Offspring Than