https://www.openlearning.com/u..../abramsnorth-sp174g/
What is Free Evolution? Free evolution is the notion that the natural processes of organisms can cause them to develop over time. This includes the appearance and growth of new species. This has been demonstrated by many examples such as the stickleback fish species that can live in fresh or saltwater and walking stick insect types that prefer particular host plants. These mostly reversible trait permutations, however, cannot be the reason for fundamental changes in body plans. Evolution by
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