Project Gutenberg 2017-04-26 Public domain in the USA. 480 Spencer, Herbert 1820 1903 The Principles of Biology, Volume 1 (of 2) Produced by Keith Edkins, MFR, 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/American Libraries.) "The Principles of Biology, Volume 1" by Herbert Spencer is a scientific publication written in the late 19th century. This work delves into the foundational concepts of biology, focusing on the principles underpinning living organisms and their development, interpreted through the lens of evolutionary theory. Spencer aims to elucidate general truths regarding biology, juxtaposed with special truths that serve to clarify the overarching principles. The opening of the volume begins with a preface outlining the author's intent and the revisions made in the latest edition, reflecting significant advancements in biological science made since earlier editions. Spencer discusses the rapid progress in the field and emphasizes the importance of his work in conveying the fundamental truths of biology concerning organic matter, the actions of forces on organic matter, and the dynamic interplay between life and its surroundings. He introduces key concepts such as molecular mobility and chemical affinities, setting the stage for a comprehensive exploration of biological phenomena grounded in the laws of evolution. (This is an automatically generated summary.) Reading ease score: 42.5 (College-level). Difficult to read. en Biology QH Text Category: Science - Biology 1717051 2025-07-22T03:34:22.261462 text/html 1706212 2024-10-23T02:01:24 text/html 1441873 2025-07-22T03:34:40.467342 application/epub+zip 1469860 2025-07-22T03:34:25.707432 application/epub+zip 713287 2025-07-22T03:34:23.714404 application/epub+zip 1596083 2025-07-22T03:34:51.847269 application/x-mobipocket-ebook 1478120 2025-07-22T03:34:38.092361 application/x-mobipocket-ebook 1055840 2022-09-24T21:37:45.018703 application/x-mobipocket-ebook 1573269 2025-07-22T03:34:20.446425 text/plain; charset=us-ascii 1553332 2024-10-23T02:01:24 text/plain; charset=us-ascii 15808 2025-07-22T03:34:52.009268 application/rdf+xml 8217 2025-07-22T03:34:23.893417 image/jpeg 1594 2025-07-22T03:34:23.806424 image/jpeg 1462151 2025-07-22T03:34:22.443410 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