Genetics might be adequate for explaining microevolution, but microevolutionary changes in gene frequency were not seen as able to turn a reptile into a mammal or to convert a fish into an amphibian. Microevolution looks at adaptations that concern the survival of the fittest, not the arrival of the fittest... The origin of species – Darwin’s problem – remains unsolved. Scott F. Gilbert
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The theory of evolution is the scientific explanation for how life has changed since its very beginning. The idea is that all life on Earth today is descended from one or a few original species. These original species have evolved into many different forms, or species. Over time, these different species have diverged into many different forms. According to this theory, the differences in the genes of different species are small enough that they do not appear to be able to explain the differences between one species and another. However, if something were able to change the genes of an organism in such a way that it increased its fitness, then it could explain how organisms changed over time.

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  1. Genetics might be adequate for explaining microevolution, but microevolutionary changes in gene frequency were not seen as able to turn a reptile into a mammal or to convert a fish into an amphibian. Microevolution looks at adaptations that concern the survival of the fittest, not...
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