On Human Nature by Edward O. Wilson (Penguin. £7.99.)
First published in 1978, this book is now available in paperback. Wilson is one of the leading proponents of the school of thought known as socio-biology. which he defines as “the scientific study of the biological basis of all forms of social behaviour in all kinds of organisms, including man." The crucial word here is ‘social’: no-one would deny that human characteristics such as walking on two legs have a biological basis, but the question is how much of the behaviour that might appear to be learned is actually inherited with our genes. The basic claim of socio-biologists is that Darwin’s mechanism of evolution through natural selection can be extended to explaining social behaviour. Darwin argued that properties (such as bigger brains) which enabled individuals to survive and reproduce more than others would inevitably spread at the cost of less advantageous variants. Socio-biology says that human socio-cultural behaviour is equally influenced by evolution, and that since for all but a few thousand years humans have lived as hunter-gatherers, the traits that were useful in such a way of life still dominate.
To take a particular example which is relevant to the case for Socialism, Wilson argues that humans are innately aggressive. In the jargon he employs, this becomes: "human beings have a marked hereditary disposition to aggressive behaviour". The evidence cited for this is that warfare has been endemic to every form of human society. Hunter- gatherers supposedly relied on warfare to defend territory and resources, so people predisposed to aggression would have had more chance of surviving and so passing on their "aggressive" genes to their offspring than other more pacific individuals. Human aggression is then seen as not simply an animal instinct, but a result of an evolution that has predisposed us to divide other people into friend and foe, to be suspicious of the actions of strangers and to solve conflict by means of aggression. War can supposedly be avoided by inculcating cross-cutting loyalties in people, so that any simple “them- us" distinction is invalid.
However, a broader look at hunter-gatherer society might, in contrast, suggest that we are genetically adapted to live in egalitarian non-market societies (not that socialists would make such a claim). There are many characteristics of hunter-gatherer societies that Wilson ignores, and that would suggest a very different picture of human beings. In any case, the argument for the innateness of aggression falls at the fact that the overwhelming majority of people don't take part in war, and that those who do usually have to be conscripted or otherwise forced to do so. And under capitalism, war is not caused by a dislike of strangers but by straightforward economic motives, motives which are in the interests only of a small ruling class, not of the majority of the population. If "Human beings are strongly predisposed to respond with unreasoning hatred to external threats", as Wilson claims, then this will be no problem in a society which is not based on such threats or competition. Even if Wilson’s explanation for aggressive behaviour were correct (and it isn’t), this would be no argument against Socialism.
Wilson describes Marxism as “socio-biology without biology.", though he does not expand on this cryptic statement The political nature of his claims is revealed more clearly in his dogmatic declaration that the anarchist society proposed by Bakunin is "biologically impossible”, but again he does not expand on this. Leaving aside the question of the kind of society that Bakunin actually advocated, the implication that a society without government is unachievable is simply nonsense. What socio-biology cannot come to grips with is the fact that human nature enables us to learn and adapt, and so transcend the limitations placed on all other creatures by their genetic endowment.
Paul Bennett
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