Title: viability selection Long Title: IUPAC Gold Book - viability selection DOI: 10.1351/goldbook.15124 Status: current Definition Component of the life cycle of an individual in which natural selection can occur through the differential survival of individuals. It begins at the formation of the zygote and continues throughout the life of the individual. Related Term - life cycle: https://goldbook.iupac.org//terms/view/14795 Source - PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 961 (https://doi.org/10.1351/PAC-REC-08-07-09) Other Outputs - html: https://goldbook.iupac.org/terms/view/15124/html - json: https://goldbook.iupac.org/terms/view/15124/json - xml: https://goldbook.iupac.org/terms/view/15124/xml Citation: Citation: 'viability selection' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15124 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-05-20T13:28:54+00:00