A correspondent recently referred me to an article in the TalkOrigins Archive responding to the argument that “Complex life forms appear suddenly in the Cambrian explosion, with no ancestral fossils.” TalkOrigins is a popular online resource that collects attempted answers to some often-heard challenges to Darwinian evolutionary theory. The article offers seven responses to the contention that the Cambrian explosion, which occurred some 530 million years ago, represents a significant difficulty for the neo-Darwinian view on how animal body plans evolved.
Since this subject comes up frequently in the evolution debate, as indeed the seeming dilemma posed by the Cambrian event troubled Darwin himself, I here offer a brief reply to TalkOrigins.
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