The Origin of Species by Means of Natural Selection: Or the Preservation of Favoured Races in the Struggle for LifePenguin UK, 29 июл. 1982 г. - Всего страниц: 480 With 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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... intermediate varietiesatthe presentday – On the natureof extinct intermediate varieties; on their number – On the lastvast lapse oftime,as inferredfrom the rateof deposition andof denudation – Onthepoorness ofour palaeontological ...
... intermediate varietiesatthe presentday – On the natureof extinct intermediate varieties; on their number – On the lastvast lapse oftime,as inferredfrom the rateof deposition andof denudation – Onthepoorness ofour palaeontological ...
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... intermediate chain, between the numbers of catsin an areaand thefrequency ofcertain flowers (p. 125). Here Darwin also introduces an idea which has a close bearing on the problem, which he discusses later, why there are not clearer ...
... intermediate chain, between the numbers of catsin an areaand thefrequency ofcertain flowers (p. 125). Here Darwin also introduces an idea which has a close bearing on the problem, which he discusses later, why there are not clearer ...
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... intermediate forms, towhich hehas already the basis of an answerin his earlier demonstration that competition is keenest between closelyallied forms, sothat transitions between species tendto be fairly abrupt, 'transitional' forms being ...
... intermediate forms, towhich hehas already the basis of an answerin his earlier demonstration that competition is keenest between closelyallied forms, sothat transitions between species tendto be fairly abrupt, 'transitional' forms being ...
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... intermediate graduated forms. 'Thus livingplants and animals are not separated fromtheextinct bynew creations,but aretobe regardedastheir descendants through continued reproduction.' A well-knownFrench botanist, M. Lecoq, writes in 1854 ...
... intermediate graduated forms. 'Thus livingplants and animals are not separated fromtheextinct bynew creations,but aretobe regardedastheir descendants through continued reproduction.' A well-knownFrench botanist, M. Lecoq, writes in 1854 ...
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Содержание
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 | |
Другие издания - Просмотреть все
The Origin of Species by Means of Natural Selection: Or, The ..., Том 1 Charles Darwin Полный просмотр - 1889 |
The Origin of Species by Means of Natural Selection: Or, The ..., Том 1 Charles Darwin Полный просмотр - 1889 |
The Origin of Species by Means of Natural Selection: Or the ..., Том 1 Charles Darwin Просмотр фрагмента - 1884 |
Часто встречающиеся слова и выражения
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