The digital edition of all books may be viewed on our website before purchase. Excerpt from Die Typenlehre und E. Haeckel''s Sog. Gastraea-Theorie (Classic Reprint)
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Etat : Sehr gut. Zustand: Sehr gut | Sprache: Deutsch | Produktart: Bücher. N° de réf. du vendeur 31702785/2
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Vendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9780267355549
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Vendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9780267355549
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Paperback. Etat : New. Print on Demand. This book explores the early development of the animal kingdom, specifically focusing on the evolution of body plans and the differentiation of cell layers. The author argues that the traditional view of a simple, one-celled organism as the common ancestor of all animals is flawed and proposes instead that the first animals were likely complex, multicellular organisms with a differentiated body plan. This hypothesis is supported by the author's extensive research on the development of various animal groups, including jellyfish, worms, and vertebrates. The book also challenges the traditional view of the three germ layers (ectoderm, mesoderm, and endoderm) as the basic building blocks of all animals, arguing instead that the number and arrangement of germ layers varies widely across different animal groups. The author's detailed examination of early animal development provides valuable insights into the origins of the animal kingdom and challenges long-held assumptions about animal evolution. 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. N° de réf. du vendeur 9780267355549_0
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