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On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life

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Excerpt: ...have been to a social community of insects, on the same principle that the division of labour is useful to civilised man. As ants work by inherited instincts and by inherited tools or weapons, and not by acquired knowledge and manufactured instruments, a perfect division of labour could be effected with them only by the workers being sterile; for had they been fertile, they would have intercrossed, and their instincts and structure would have become blended. And nature has, as I believe, effected this admirable ...

On the Origin of Species by Means of Natural Selection: Or the Preservation of Favoured Races in the Struggle for Life - Primary Source Edition 2013, Nabu Press

ISBN-13: 9781293169278

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On the Origin of Species by Means of Natural Selection: Or, the Preservation of Favored Races in the Struggle for Life 2010, Nabu Press

ISBN-13: 9781143011573

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On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. 2009, Ezreads Publications, LLC

ISBN-13: 9781615340378

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On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. 2009, Ezreads Publications, LLC

ISBN-13: 9781615340361

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