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When Darwinism fails

Natural selection does not explain all traits of all organisms

It is hard to explain the huge variety of diatoms—a microorganism that has 100,000 species—in terms of natural selection, says Bonner

There are good reasons why natural selection has become widely accepted as an explanation of evolutionary development. When applied to mammals and other large animals, it fits perfectly. But we cannot assume that all evolutionary steps arise from selection, particularly when looking at smaller animals.

The reason for natural selection’s great success is that it provides a satisfying explanation of how evolution might have occurred: individual organisms vary and…

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