Attempts to explain away the problem of the Cambrian explosion have continued since Darwin fist recognized the issue. The Cambrian explosion, and the Precambrian mini explosion before it, pose a direct challenge to evolutionary theory because the life forms that appeared in those relatively shorts periods of time arose suddenly and without apparent ancestors, at least as revealed in the fossil record. That they appeared suddenly defies the evolutionary necessity of long periods of time of gradual evolutionary change. That they appeared without apparent prior ancestors, obviously, negates the idea of an evolutionary tree altogether.
Darwin assumed that subsequent discoveries would fill in the gaps. Subsequent archaeology, far from filling in the gaps, has only exposed the gap to be wider than first believed. The gap in the record before the Precambrian period and the much wider gap from the Precambrian period to the Cambrian remains. The “lost” intervening fossils have never been found and are not likely to be found; so, other explanations are needed to sustain Darwinian Theory.
That is the subject of chapters 7-8 of Stephen C. Meyer’s book, Darwin’s Doubt. I lay out the basic problems in the first article in this blog series exploring chapters 1-4, and dig deeper into the problem Meyer explores in chapters 5 & 6 in a subsequent article. In this third article in the series, we dig deeper and wider still looking for possible solutions to the dilemma that still remains.