The Origin of Species by Means of Natural Selection: Or the Preservation of Favoured Races in the Struggle for LifeWith his revolutionary work The Origin of Species Charles Darwin overthrew contemporary beliefs about Divine Providence and the beginnings of life on earth. Written for the general public of the 1850s, it is a rigorously documented but highly readable account of the scientific theory that now lies at the root of our present attitude to the universe. Challenging notions such as the fixity of species with the idea of natural selection, and setting forth the results of pioneering work on the ecology of animals and plants, it made a lasting contribution to philosophical and scientific thought. |
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... all striving to increase,and all feeding on eachother oron the treesor their seeds and seedlings,or on theother plants which first clothed the ground andthus checked the growth ofthe trees! Throw upa handful of feathers,and all mustfall ...
... all striving to increase,and all feeding on eachother oron the treesor their seeds and seedlings,or on theother plants which first clothed the ground andthus checked the growth ofthe trees! Throw upa handful of feathers,and all mustfall ...
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... All the same, if this was a mystery it wasat leastone of everyday occurrence, which could not be saidof the acquisition of neworgans bymature organisms and their inheritancein the nextgeneration. It was thespeculative character of ...
... All the same, if this was a mystery it wasat leastone of everyday occurrence, which could not be saidof the acquisition of neworgans bymature organisms and their inheritancein the nextgeneration. It was thespeculative character of ...
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... all the evidence hehad accumuated byhis own experiments and observations and by his correspondencewith naturalists, travellers, breeders and nurserymen during themanyyears hehad beenworking on the problem. Thepublisher ofThe Origin ...
... all the evidence hehad accumuated byhis own experiments and observations and by his correspondencewith naturalists, travellers, breeders and nurserymen during themanyyears hehad beenworking on the problem. Thepublisher ofThe Origin ...
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... all the necessary anglesand planes orever perceive when they are correctly made.' Darwin's hypothetical account of the gradations by which the instinct could have been built up is one of the greatest toursde forcein TheOrigin. Atthis ...
... all the necessary anglesand planes orever perceive when they are correctly made.' Darwin's hypothetical account of the gradations by which the instinct could have been built up is one of the greatest toursde forcein TheOrigin. Atthis ...
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... all the beautiful adaptations innature; – suchasthe long neck ofthe giraffe for browsing onthe branches oftrees. But he likewise believed ina law ofprogressive development; and as all theforms of lifethus tend to progress, inorderto ...
... all the beautiful adaptations innature; – suchasthe long neck ofthe giraffe for browsing onthe branches oftrees. But he likewise believed ina law ofprogressive development; and as all theforms of lifethus tend to progress, inorderto ...
Contents
INTRODUCTION | |
CHAPTER | |
ranging muchdiffused andcommon speciesvary most Species | |
CHAPTER FOUR | |
DIFFICULTIES ON THEORY | |
INSTINCT | |
making instinct Difficulties on the theory of the Natural | |
appearance in the lowest known fossiliferous strata | |
CHAPTER ELEVEN | |
Present distribution cannot be accounted for by differencesin physical conditions Importance of barriers Affinityof the productions ofthe same contin... | |
Distribution of freshwater productions On the inhabitants | |
Difficulties onthe theoryof | |
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The Origin of Species by Means of Natural Selection: Or, the Preservation of ... Charles Darwin No preview available - 2014 |
Common terms and phrases
accumulated adapted advantage allied America amount animals appear authors become believe birds breeds bythe cause changes chapter characters climate closely common compared considered continuous crossed Darwin descendants developed difficulty distinct domestic doubt effects evidence existing explained extinct extremely facts families favourable fertility flowers formations forms genera genus geological give given greater groups habits hand havebeen Hence hybrids important improved increase individuals inhabitants inherited insects instance instincts intermediate inthe islands kinds known less living manner means migration modification namely natural selection naturalists nearly observed occasionally occur offspring ofthe onthe organs Origin parent perfect perhaps period plants points present principle probably produced range reason remarked represented resemble seeds seems separated single slight sometimes species sterility structure struggle successive supposed thatthe theory thesame tothe understand variability variations varieties vary whole widely