Download or read book New Paths in Biology written by Adolf Portmann and published by . This book was released on 1964 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author discusses the cell and cellular formation and development; stimulus and perception and how these relate to the particular biological entity and its environment; the problems of biological ranking; and the mechanistic theory of evolution, which he considers an oversimplification of the evolutionary process. He closes with a discussion of two tendencies in modern biology: the attempt to formulate universal laws at a time when there are too many unanswered questions within the field; and the attempt to relate biological discoveries to a framework of ethics and behavior problems.--