Excerpt from The Quarterly Journal of Microscopical Science, Vol. 46: February, 1903
The present study has for its purpose the analysis of the behaviour of the common fresh-water planarian into its com ponent factors. It is well known that, aside from the researches of a few investigators on a small number of forms, we have little detailed knowledge Of the behaviour of lower organisms. It is coming to be realised, too, that knowledge Of what an animal does is just as important in the general study of life phenomena as a knowledge of how it is con structed, or how it develops. But it must be admitted that until quite recent times the study of the activities of living things was a much neglected field in biology. The publication of the 'origin of Species' gave the biological pendulum a swing towards the study Of phylogeny, from which it is only just beginning to return.
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Paperback. Zustand: New. Print on Demand. This book is a comprehensive study of the early life stages of fish, from hatching to metamorphosis. The author, an expert in the field, provides a detailed account of the development of fish, covering topics ranging from cell division and organogenesis to the formation of fins and scales. The book is richly illustrated with both black-and-white and color photographs, and includes detailed descriptions of the various stages of development in different species of fish. The author also discusses the implications of these findings for our understanding of vertebrate evolution. This book is an important reference for ichthyologists, developmental biologists, and anyone interested in the early life stages of fish. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781333699345_0
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