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Studies have shown that these effects are potentially due to enhanced metabolic rates. More specifically, a study involving Daphnia pulex found that spontaneous mutations had varied fitness effects under different thermal conditions, which suggests that temperature plays a role in shaping mutational impacts. In addition, this heightened mutation rate provides a broader range of genetic diversity for natural selection to act upon, allowing populations to adapt more rapidly. However, too many mutations can result in higher rates of genetic disorders

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