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Abstract:
What is the main driving force of evolution? What determines the direction of evolutionary change? What causes novelties to arise? During most of the last century, these questions have been addressed by evolutionary biologists and the answer they have come up with is well known, not only to biologists:it's natural selection. In his latest book, Wallace Arthur forces us to re-think. He claims that besides natural selection, there is embryological development as a second major player determining the direction of evolutionary change.
