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Encyclopedia of Evolutionary Psychological Science
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SYSNO ASEP 0505990 Document Type M - Monograph Chapter R&D Document Type Monograph Chapter Title Sperm competition - evidence in nonhumans Author(s) Albrecht, Tomáš (UBO-W) RID, SAI, ORCID Number of authors 1 Source Title Encyclopedia of Evolutionary Psychological Science. - Cham : Springer, 2017 / Shackelford T. K. ; Weekes-Shackelford V. A. - ISBN 978-3-319-16999-6 Pages s. 1-7 Number of pages 7 s. Number of pages 7100 Publication form Online - E Language eng - English Country DE - Germany Keywords Post-copulatory sexual selection ; Sexual promiscuity ; Sperm competition Subject RIV EG - Zoology OECD category Biology (theoretical, mathematical, thermal, cryobiology, biological rhythm), Evolutionary biology Institutional support UBO-W - RVO:68081766 DOI 10.1007/978-3-319-16999-6_1947-1 Annotation Sperm competition arises when the sperm of two or more males compete to fertilize a given set of ova. This broad definition includes both the competition between sperm of two or more males within the body of a single female (internal fertilizers) and processes observed when fertilization takes place outside the female body (external fertilizers), as in most bony fishes or amphibians. There is solid evidence that multiple paternity and resulting sperm competition is common in animals. In this contribution, an overview of the evidence for sperm competition in various groups of organisms is provided. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2020
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