The Conditions of Existence as Affecting the Perpetuation of Living Beings : (Registro nro. 44999)
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| fixed length control field | 02543cam a22003133u 4500 |
| 001 - CONTROL NUMBER | |
| control field | 2925 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | UtSlPG |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20260610133105.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS | |
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| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION | |
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| fixed length control field | 260607r2001||||utu|||||o|||||||||||||| d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloging agency | UtSlPG |
| 041 #7 - LANGUAGE CODE | |
| Language code of text/sound track or separate title | en |
| Source of code | iso639-1 |
| 050 #4 - LIBRARY OF CONGRESS CALL NUMBER | |
| Classification number | QH |
| 100 1# - MAIN ENTRY--PERSONAL NAME | |
| Personal name | Huxley, Thomas Henry, |
| Dates associated with a name | 1825-1895 |
| 245 14 - TITLE STATEMENT | |
| Title | The Conditions of Existence as Affecting the Perpetuation of Living Beings : |
| Remainder of title | Lecture V. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Place of production, publication, distribution, manufacture | Salt Lake City, UT : |
| Name of producer, publisher, distributor, manufacturer | Project Gutenberg, |
| Date of production, publication, distribution, manufacture, or copyright notice | 2001 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 1 online resource : |
| Other physical details | multiple file formats |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Content type code | txt |
| Source | rdacontent |
| 337 ## - MEDIA TYPE | |
| Media type term | computer |
| Media type code | c |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | online resource |
| Carrier type code | cr |
| Source | rdacarrier |
| 500 ## - GENERAL NOTE | |
| General note | Release date is 2001-11-01 |
| 508 ## - CREATION/PRODUCTION CREDITS NOTE | |
| Creation/production credits note | Produced by Amy E. Zelmer, and David Widger |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | "The Conditions of Existence as Affecting the Perpetuation of Living Beings" by Thomas H. Huxley is a scientific lecture delivered in the mid-19th century, specifically in 1863. It serves as the fifth in a series of lectures aimed at working men, discussing the implications of Darwin's "Origin of Species." The book explores the mechanisms of natural selection and variation in living organisms, examining how structural and physiological characteristics evolve and are perpetuated in species. In this lecture, Huxley outlines the processes behind variation within species, emphasizing the role of selective breeding and natural selection in the perpetuation of these variations. He differentiates between structural changes seen in domesticated breeds, such as pigeons and dogs, and the physiological traits that define their behaviors and instincts. Moreover, Huxley argues that natural conditions can create selective pressures akin to those applied by human breeders, leading to further variations in species over time. He also discusses the limitations of these variations, focusing particularly on reproductive processes and the difference between hybrids and mongrels. Ultimately, the lecture explores how the struggle for existence influences the survival and dominance of certain traits within species, supported by various natural and environmental factors. (This is an automatically generated summary.) |
| 534 ## - ORIGINAL VERSION NOTE | |
| Note about original | Original publication data not identified |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Evolution (Biology) |
| 653 ## - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Darwin, Charles, 1809-1882. On the origin of species |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://www.gutenberg.org/ebooks/2925">https://www.gutenberg.org/ebooks/2925</a> |
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