The main directions of the evolutionary process: Morphobiological theory of evolution

The issue of the paths of development of the organic world on our planet is one of the most relevant in modern biology. In this book by the prominent domestic theoretician of evolutionary theory A.N. Severtsov (1866-1936), the theory of progress and regress in the evolution of the animal world is presented. The work discusses such questions as the origin and evolution of lower vertebrates, paths of biological progress, the direction of evolution in individual types of the animal world, and the reasons for changes in the direction of the evolutionary process. The book is recommended for biologists of various specialties, teachers and students of biological faculties at universities, as well as anyone interested in evolutionary issues.