期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 367, 期 1600, 页码 2304-2313出版社
ROYAL SOC
DOI: 10.1098/rstb.2011.0283
关键词
kin selection; sexual selection; social selection; sexual conflict; reproductive conflict; mating conflict
类别
资金
- National Science Foundation [IOS-1121435]
- Columbia University
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1121435, 1121716] Funding Source: National Science Foundation
Darwin was initially puzzled by the processes that led to ornamentation in males-what he termed sexual selection-and those that led to extreme cooperation and altruism in complex animal societies-what was later termed kin selection. Here, I explore the relationships between sexual and kin selection theory by examining how social competition for reproductive opportunities-particularly in females-and sexual conflict over mating partners are inherent and critical parts of complex altruistic societies. I argue that (i) patterns of reproductive sharing within complex societies can drive levels of social competition and reproductive conflict not only in males but also in females living in social groups, and ultimately the evolution of female traits such as ornaments and armaments; (ii) mating conflict over female choice of sexual partners can influence kin structure within groups and drive the evolution of complex societies; and (iii) patterns of reproductive sharing and conflict among females may also drive the evolution of complex societies by influencing kin structure within groups. Ultimately, complex societies exhibiting altruistic behaviour appear to have only arisen in taxa where social competition over reproductive opportunities and sexual conflict over mating partners were low. Once such societies evolved, there were important selective feed-backs on traits used to regulate and mediate intra-sexual competition over reproductive opportunities, particularly in females.
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