linkedin post 2018-12-30 05:41:05

SO ENDS this first of two weekends on the Cambrian explosion of animal body plan diversity, and its subsequent mysterious abatement. To call the abatement locked or canalized is simply to use a fancy word that is a descriptor of events, not an explanation. Did these creatures saturate geometric constraints with their genetic toolkit? There are not infinite geometries available to form and structure. For example, there are a finite number of crystal options in the natural world. Or was there another constraint operating?

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