Before it is possible to assess the importance of "group selection" in nature, it is necessary to rigorously define this term. A definition of group selection is derived from a critical analysis of conceptions common in the biological literature. This definition is then used to clarify the debate over the mechanism responsible for the evolution of myxomatosis in Australia.
- group selection,
- units of selection
Available at: http://works.bepress.com/timothy_shanahan/8/