History, Evolution, and The Darwin Debate

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Fixed body plans

September 9th, 2011 · No Comments


Biochemist Michael Denton (Evolution: A Theory in Crisis, Nature’s Destiny: How the Laws of Biology Reveal Purpose in the Universe) was in our offices this week and he casually posed a question that I, for one, had never considered. Hundreds of millions of years ago, all these animal body plans became fixed. They stayed as they were and still are so today.

Before that — I’m putting this my way, so if I get anything wrong blame me — of course they had been, under Darwinian assumptions, morphing step-by-step, with painful gradualness. Then they just stopped and froze in their tracks.

Tags: Evolution

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