The dependence on sexual reproduction in the more complex eukaryotes suggests a greater number of benefits than asexual reproduction; one example is the

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Sexual reproduction introduces genetic variability, which allows a species to adapt to changing environments and pressures. This variability arises from genetic recombination during meiosis and the fusion of gametes from different individuals. Asexual reproduction, on the other hand, produces genetically identical offspring, which may not be able to cope with environmental changes or compete with other organisms as effectively. Therefore, the greater genetic variability between parents and offspring is a significant benefit of sexual reproduction.

The Dependence on Sexual Reproduction in the More Complex Eukaryotes