Authors
Pouwel Slurink
University of Nijmegen (PhD)
Abstract
In contrast to many other models of human evolution the "balance of power" theory of Alexander has a clear answer to the question why a runaway selection process for unique social and moral capacities occurred in our ancestry only and not in other species: "ecological dominance" is hypothesized to have diminished the effects of "extrinsic" forces of natural selection such that within-species, intergroup competition increased (Alexander, 1989). Alexander seems to be wrong, however, in his claim that already the common HUCHIBO (Humans, Chimps, Bonobo's)-ancestor has crossed the ecological dominance barrier. In this paper an adapted version of Alexander's model is presented and several different ways are proposed to make this adapted version testable. A preliminary survey of the available paleontological and paleoecological data suggests that there is some evidence of a less vulnerable position towards predators in early Homo and that there are clear signs related to a crossing of the ecological dominance barrier in Homo sapiens sapiens.
Keywords Human Evolution  Human uniqueness  Origin of war
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References found in this work BETA

Sociobiology: The New Synthesis.Edward O. Wilson - 1975 - Journal of the History of Biology 33 (3):577-584.
The Evolution of Reciprocal Altruism.Robert L. Trivers - 1971 - Quarterly Review of Biology 46 (1):35-57.

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Citations of this work BETA

Evolutionaire ethiek: kan dat?Pouwel Slurink - 2000 - Algemeen Nederlands Tijdschrift voor Wijsbegeerte (1):63-84.
Culture and the Evolution of the Human Mating System.P. Slurink - 1999 - In Johan M. G. van der Dennen, David Smillie & Daniel Wilson (eds.), The Darwinian Heritage and Sociobiology. Westport, USA: Praeger. pp. 135-161.

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Culture and the Evolution of the Human Mating System.P. Slurink - 1999 - In Johan M. G. van der Dennen, David Smillie & Daniel Wilson (eds.), The Darwinian Heritage and Sociobiology. Westport, USA: Praeger. pp. 135-161.

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