Example sentences of "groups [prep] [noun] over " in BNC.

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1 In just the same way , evolution consists of genes spreading at each other 's expense , but many , perhaps most , genetic mechanisms are about enforcing common interest of groups of genes over the selfish ambitions of the few .
2 The distortions of communication which occur in these social institutions are as they are , as a result , in part , of unconscious activity of groups of people over time .
3 Therefore , Piaroa boys are not constrained into learning the aggressive stance of young warriors to fight men of this world ; they do not learn to accept the dominance relationships of groups of men over other groups of men .
4 It lives in large groups alongside rivers over much of South America .
5 Changes in mortality have influenced the marital status composition of the older age groups in Britain over the last century .
6 Amongst the major achievements of the century in group theory one must mention the modular representation theory of groups by matrices over finite fields as pioneered by Richard Brauer and the subsequent use of this theory in investigations into finite simple groups ( Section 6.6 ) .
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