Intelligent Design claims to be able to detect aspects within nature than can only be properly explained by divine intervention.
Michael Behe (biochemist):
- Suggests that Darwinian natural selection cannot totally account for life on Earth
- Systems in biology that are irreducibly complex – meaning they could not function until all parts are present.
- A bacteria’s flagellum is Behe’s most famous example. The flagellum is used by the bacteria to swim and Behe explains that a natural process of gradual adaptation is unable to account for the construction and functionality of the flagellum.
- Kenneth Miller argues that the existence of precursors to the flagellum show that it is not irreducibly complex. Behe counters this by saying Miller cannot explain how the flagellum came to evolve.
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