Project Gutenberg 2016-08-14 Public domain in the USA. 160 Spencer, Herbert 1820 1903 06022509 The Factors of Organic Evolution Produced by Richard Tonsing, Adrian Mastronardi and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) "The Factors of Organic Evolution" by Herbert Spencer is a scientific publication written in the late 19th century. The book discusses the complex processes of biological evolution, emphasizing the interplay between various factors that influence the development of species, including natural selection and inheritance of acquired characteristics. Through its exploration of evolutionary theory, it engages with broader implications for psychology, ethics, and sociology. At the start of this work, the author presents an overview of the chaotic state of scientific opinion regarding organic evolution prior to Darwin's contributions. He reflects on the confusion between creationism and scientific hypotheses and sets the stage for a deeper investigation into how organisms adapt over time. Spencer aims to clarify how both natural selection and the inheritance of functional modifications contribute to the evolutionary process, arguing that neither can explain all phenomena observed in nature on their own. The opening portion lays the groundwork for a more intricate discussion of evolutionary theory, revealing the tensions and debates of the scientific community in the 19th century. (This is an automatically generated summary.) Reading ease score: 39.9 (College-level). Difficult to read. en Evolution QH Text Category: Science - Biology 212150 2025-07-21T06:48:14.265405 text/html 188805 2024-10-23T00:58:49 text/html 112847 2025-07-21T06:48:17.585363 application/epub+zip 113297 2025-07-21T06:48:14.939388 application/epub+zip 113297 2025-07-21T06:48:14.603407 application/epub+zip 173136 2025-07-21T06:48:19.772376 application/x-mobipocket-ebook 156927 2025-07-21T06:48:17.246379 application/x-mobipocket-ebook 157165 2022-09-24T01:04:38.922074 application/x-mobipocket-ebook 188814 2025-07-21T06:48:14.006395 text/plain; charset=us-ascii 168910 2024-10-23T00:58:49 text/plain; charset=us-ascii 16477 2025-07-21T06:48:19.895357 application/rdf+xml 8405 2025-07-21T06:48:14.667381 image/jpeg 1660 2025-07-21T06:48:14.636379 image/jpeg 100097 2025-07-21T06:48:14.284393 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia