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An attempt to study biological organization on any level immediately reveals the subject to be extremely complex. If an attempt is made to present what is understood about biological organization on many levels, from that of the structure of nucleoproteins to the processes of cell division and organ formation, then the complexities become enormously magnified. The UNESCO-sponsored symposium, of which this book is a verbatim record, covered this enormous subject, or rather range of subjects, through the comparatively brief presentations and extended discussions of about three dozen participants from some 15 nations.
The flavor of the informal discussion has been well preserved; yet nowhere in the book are to be found the editing errors, discouragingly frequent in printed symposia, of the unanswered question, the answer with no preceding question, or the extended discussion of points not previously raised. The result is an easy-to-read text, which at many places gives the