هل قال Charles Darwin حقًا «Survival of the fittest»؟
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هل قال Charles Darwin حقًا «Survival of the fittest»؟
وُجد حرفيًا. نعم. النص موجود في أعمال منسوبة إلى Charles Darwin. المصدر والموضع أدناه.
This preservation, during the battle for life, of varieties which possess any advantage in structure, constitution, or instinct, I have called Natural Selection; and Mr. Herbert Spencer has well expressed the same idea by the Survival of the Fittest. The term "natural selection" is in some respects a bad one, as it seems to imply conscious choice; but this will be disregarded after a little famili
The Variation of Animals and Plants Under Domestication, Vol. I. — Charles Darwin, CHAPTER XI. · ¶89 · Public domain (US), Project Gutenberg #24923 · المصدر
NATURAL SELECTION; OR THE SURVIVAL OF THE FITTEST.
The Origin of Species by Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life, 6th Edition — Charles Darwin, CHAPTER IV. · ¶49 · Public domain (US), Project Gutenberg #2009 · المصدر
Again, it may be asked, how is it that varieties, which I have called incipient species, become ultimately converted into good and distinct species, which in most cases obviously differ from each other far more than do the varieties of the same species? How do those groups of species, which constitute what are called distinct genera and which differ from each other more than do the species of the
The Origin of Species by Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life, 6th Edition — Charles Darwin, CHAPTER III. STRUGGLE FOR EXISTENCE. · ¶178 · Public domain (US), Project Gutenberg #2009 · المصدر
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