Sexual selection is a form of social selection
نویسندگان
چکیده
منابع مشابه
Sexual selection is a form of social selection.
Social selection influences the evolution of weapons, ornaments and behaviour in both males and females. Thus, social interactions in both sexual and non-sexual contexts can have a powerful influence on the evolution of traits that would otherwise appear to be detrimental to survival. Although clearly outlined by West-Eberhard in the early 1980s, the idea that social selection is a comprehensiv...
متن کاملThe social selection alternative to sexual selection.
Social selection offers an alternative to sexual selection by reversing its logic. Social selection starts with offspring production and works back to mating, and starts with behavioural dynamics and works up to gene pool dynamics. In social selection, courtship can potentially be deduced as a negotiation, leading to an optimal allocation of tasks during offspring rearing. Ornaments facilitate ...
متن کاملPostcopulatory fertilization bias as a form of cryptic sexual selection.
Males and females share most of their genetic material yet often experience very different selection pressures. Some traits that are adaptive when expressed in males may therefore be maladaptive when expressed in females. Recent studies demonstrating negative correlations in fitness between parents and their opposite-sex progeny suggest that natural selection may favor a reduction in trait corr...
متن کاملIs student selection done perfectly?
ntroduction. The student selection at the universities has always been a matter of concern. Student selection process should allow equal opportunities to all students who fulfil a set of pre-determined criteria, apart from the sex, religion, social and cultural backgrounds. Moreover, the process should be quite transparent and perfectly concerned. Student admission is held in different methods ...
متن کاملSexual Selection, Social Competition, and Evolution*
Social behavior holds a special position among natural phenomena in relation to the Darwinian theory of organic evolution. When individuals of the same species live in close proximity they compete directly for essential resources. And intraspecific reproductive competition is the cornerstone of the theory of evolution by natural selection. Thus the drama of what G. E. Hutchinson (1965) referred...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Philosophical Transactions of the Royal Society B: Biological Sciences
سال: 2012
ISSN: 0962-8436,1471-2970
DOI: 10.1098/rstb.2012.0012