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Sexual selection in hermaphrodites, sperm and broadcast spawners, plants and fungi
Univ Sydney, Sch Life & Environm Sci, Sydney, NSW 2006, Australia..
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology.
Univ Queensland, Sch Biol Sci, St Lucia, Qld, Australia..
Univ Western Australia, Sch Anim Biol, Ctr Evolutionary Biol, Nedlands, WA 6009, Australia..
2016 (English)In: Philosophical Transactions of the Royal Society of London. Biological Sciences, ISSN 0962-8436, E-ISSN 1471-2970, Vol. 371, no 1706, 20150541Article, review/survey (Refereed) Published
Abstract [en]

Darwin was the first to recognize that sexual selection is a strong evolutionary force. Exaggerated traits allow same-sex individuals to compete over access to mates and provide a mechanism by which mates are selected. It is relatively easy to appreciate how inter-and intrasexual selection work in organisms with the sensory capabilities to perceive physical or behavioural traits that signal mate quality or mate compatibility, and to assess the relative quality of competitors. It is therefore not surprising that most studies of sexual selection have focused on animals with separate sexes and obvious adaptations that function in the context of reproductive competition. Yet, many sexual organisms are both male and female at the same time, often lack sexual dimorphism and never come into direct contact at mating. How does sexual selection act in such species, and what can we learn from them? Here, we address these questions by exploring the potential for sexual selection in simultaneous hermaphrodites, sperm-and broadcast spawners, plants and fungi. Our reviewreveals a range of mechanisms of sexual selection, operating primarily after gametes have been released, which are common in many of these groups and also quite possibly in more familiar (internally fertilizing and sexually dimorphic) organisms. This article is part of the themed issue 'Weird sex: the underappreciated diversity of sexual reproduction'.

Place, publisher, year, edition, pages
2016. Vol. 371, no 1706, 20150541
Keyword [en]
anisogamy, hermaphroditism, pollination, sexual conflict, sexual selection, sperm competition
National Category
Botany Evolutionary Biology
URN: urn:nbn:se:uu:diva-306036DOI: 10.1098/rstb.2015.0541ISI: 000383507000013OAI: oai:DiVA.org:uu-306036DiVA: diva2:1039904
Australian Research Council, FT120100120 DP150103266 DP140103774 DP120104559
Available from: 2016-10-25 Created: 2016-10-24 Last updated: 2016-10-25Bibliographically approved

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