Evolution of sociality by natural selection on variances in reproductive fitness: evidence from a social bee |
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| Authors: | Mark I Stevens Katja Hogendoorn Michael P Schwarz |
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| Institution: | (1) School of Biological Sciences, Flinders University, GPO Box 2100, Adelaide, SA, 5001, Australia;(2) Allan Wilson Centre for Molecular Ecology and Evolution, Massey University, Private Bag 11-222, Palmerston North, New Zealand;(3) School of Biological Sciences, Monash University, Clayton, 3800, Victoria, Australia;(4) School of Agriculture, Food and Wine, Waite Campus, The University of Adelaide, Main Building, Adelaide, SA, 5005, Australia |
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| Abstract: | Background The Central Limit Theorem (CLT) is a statistical principle that states that as the number of repeated samples from any population
increase, the variance among sample means will decrease and means will become more normally distributed. It has been conjectured
that the CLT has the potential to provide benefits for group living in some animals via greater predictability in food acquisition,
if the number of foraging bouts increases with group size. The potential existence of benefits for group living derived from
a purely statistical principle is highly intriguing and it has implications for the origins of sociality. |
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