Add spaces: Acommunityincludingalargenumberofwell-endowedindividualsincreasesinnumberandisvictoriousoverotherandlesswell-endowedcommunities;althougheachseparatemembermaygainnoadvantageovertheothermembersofthesamecommunity.
A community including a large number of well-endowed individuals increases in number and is victorious over other and less well-endowed communities; although each separate member may gain no advantage over the other members of the same community.