In close comparisons, external fertilisation often yields more offspring than does internal fertilisation. However, internal fertilisation typically offers the advantage that ________.

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Internal fertilisation typically results in a smaller number of offspring being produced, but these offspring generally receive a greater amount of parental investment compared to those produced by external fertilisation. This leads to increased survival rates and improved chances of reaching reproductive age, providing a long-term advantage over external fertilisation.

In Close Comparisons, External Fertilisation Often Yields More Offspring Than