02720cam a22003613u 4500 48132 UtSlPG 20260610134115.0 m cr n 260607r2015||||utu|||||o|||||||||||||| d UtSlPG en iso639-1 QH Weismann, August, 1834-1914 Essays Upon Heredity and Kindred Biological Problems : Authorised Translation Salt Lake City, UT : Project Gutenberg, 2015 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2015-02-01 Produced by Charlene Taylor, Elizabeth Oscanyan, Bryan Ness 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) "Essays Upon Heredity and Kindred Biological Problems" by August Weismann is a scientific publication written in the late 19th century. The work is a compilation of essays that delve into the biological concepts surrounding heredity, particularly examining the duration of life and various related biological phenomena. Weismann's ideas are influential in the field of evolutionary biology, where he discusses the implications of heredity and the processes that underpin the life cycle of organisms. At the start of the work, the author introduces his essay titled "The Duration of Life," which he had previously presented at a naturalists' meeting. Weismann reflects on the variability in life spans among different species, arguing that while structural and chemical factors contribute to an organism's longevity, the causes of life duration also have roots in natural selection and adaptation to environmental conditions. He raises questions surrounding the limits of life, considers the interplay between size and longevity, and challenges conventional reasoning about how external factors might not solely dictate life span but rather, a complex interplay of internal and external mechanisms governs it. The opening sets the stage for a rigorous exploration of these biological principles throughout the subsequent essays. (This is an automatically generated summary.) Original publication data not identified Evolution (Biology) Reproduction Genetics Poulton, Edward Bagnall, Sir, 1856-1943 Schönland, S. (Selmar), 1860- Shipley, A. E., Sir (Arthur Everett), 1861-1927 https://www.gutenberg.org/ebooks/48132 88971 88971