On the Origin of Species By Means of Natural Selection Or, the Preservation of Favoured Races in the Struggle for Life
Darwin
Free public domain
Darwin · 19 chapters
Quotes from this book
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Struggle for life most severe between individuals and varieties of the same species; often severe between species of the same genus.
Chapters
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- CHAPTER 3. STRUGGLE FOR EXISTENCE.Sample
- CHAPTER 4. NATURAL SELECTION.
- CHAPTER 8. HYBRIDISM.
- CHAPTER 12. GEOGRAPHICAL DISTRIBUTION—continued.
- ON THE ORIGIN OF SPECIES.
- CHAPTER I. VARIATION UNDER DOMESTICATION.
- CHAPTER II. VARIATION UNDER NATURE.
- CHAPTER III. STRUGGLE FOR EXISTENCE.
- CHAPTER IV. NATURAL SELECTION.
- CHAPTER V. LAWS OF VARIATION.
- CHAPTER VI. DIFFICULTIES ON THEORY.
- CHAPTER VII. INSTINCT.
- CHAPTER VIII. HYBRIDISM.
- CHAPTER IX. ON THE IMPERFECTION OF THE GEOLOGICAL RECORD.
- CHAPTER X. ON THE GEOLOGICAL SUCCESSION OF ORGANIC BEINGS.
- CHAPTER XI. GEOGRAPHICAL DISTRIBUTION.
- CHAPTER XII. GEOGRAPHICAL DISTRIBUTION—continued.
- UDIMENTARY ORGANS
- CHAPTER XIV. RECAPITULATION AND CONCLUSION.