Today, scientists have discovered that the tempo of evolution is not constant across all species. A new study published in Nature Ecology and Evolution has revealed that the rate of evolution varies across species, and can even vary within the same species over time. This has implications for our understanding of how species adapt and survive in changing environments. The researchers studied the evolutionary rate of two species of butterfly, and found that the rate of evolution was much faster in one species than the other. This suggests that the rate of evolution is not only determined by environmental factors, but also by the species’ own biology. The findings could help us to better understand the dynamics of species adaptation and survival.

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source: Phys.org