Project Gutenberg 2015-02-08 Public domain in the USA. 370 Ingersoll, Ernest 1852 1946 Zoölogy: The Science of Animal Life Popular Science Library, Volume XII (of 16), P. F. Collier & Son Company, 1922 Zoology: The Science of Animal Life Popular Science Library, Volume XII (of 16), P. F. Collier & Son Company, 1922 E-text prepared by Juliet Sutherland, Haragos Pál, and the Online Distributed Proofreading Team (http://www.pgdp.net) "Zoölogy: The Science of Animal Life" by Ernest Ingersoll is a scientific publication written in the early 20th century. The work provides an extensive survey of the entirety of animal life, emphasizing the diversity and complexity of both higher and lower organisms, and highlights the interdependence of different species within ecosystems. It discusses various groups of animals and their classifications while addressing different theories regarding the origin of life. The opening of the text delves into the historical quest to understand life's origin, starting with humanity's attempts to comprehend nature and the evolution of scientific inquiry over the years. Ingersoll outlines the various speculative theories surrounding how life might have begun on Earth, including ideas about meteoric origins and spontaneous generation. He emphasizes the necessity of studying living organisms and their biochemical frameworks to uncover the essence of life, introducing concepts such as cells and the role of chlorophyll in photosynthesis as foundational elements in the relationship between plants and animals. This section establishes a philosophical grounding for the subsequent exploration of animal diversity, bridging scientific thought with the fundamental mysteries of existence. (This is an automatically generated summary.) Reading ease score: 57.6 (10th to 12th grade). Somewhat difficult to read. en Animals Zoology QL Text Category: Science - Biology 691487 2025-07-19T10:40:59.604348 text/html 670340 2024-10-24T16:58:59 text/html 8596756 2025-07-19T10:41:11.600259 application/epub+zip 8590519 2025-07-19T10:41:02.039314 application/epub+zip 339605 2025-07-19T10:41:00.793340 application/epub+zip 8760790 2025-07-19T10:41:18.831254 application/x-mobipocket-ebook 8677670 2025-07-19T10:41:09.459318 application/x-mobipocket-ebook 461601 2022-09-21T20:15:15.760853 application/x-mobipocket-ebook 620051 2025-07-19T10:40:58.239330 text/plain; charset=us-ascii 600156 2024-10-24T16:58:59 text/plain; charset=us-ascii 16931 2025-07-19T10:41:19.014227 application/rdf+xml 10035 2025-07-19T10:41:00.900311 image/jpeg 1387 2025-07-19T10:41:00.849345 image/jpeg 8571713 2025-07-19T10:41:00.172373 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