The Origin of Species

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Dent, 1909 - 551 páginas
First published in 1859, this landmark book on evolutionary biology was not the first to deal with the subject, but it went on to become a sensation—and a controversial one for many religious people who could not reconcile Darwin’s science with their faith. Darwin worked on the book for over 20 years before its publication. The radical crux of his scientific theory was the idea of natural selection, which meant that chance, not a divine Creator, played a great role in humanity's advancement and that individuals who weren't physically able to adapt with the greater populace died off.
 

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5 estrellas
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LibraryThing Review

Crítica de los usuarios  - dypaloh - www.librarything.com

I became vexed by the title, On the Origin of Species, right from the start. Just what, precisely, is a species? What’s more, no matter how we state our modern definition, what did the word mean to ... Leer comentario completo

LibraryThing Review

Crítica de los usuarios  - benuathanasia - LibraryThing

There were significantly less pigeons than I expected. And a lot more pigeons. A LOT more. Thoroughly readable given its age and audience. Not too bad. Leer comentario completo

Contenido

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25
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58
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76
IV
93
V
145
VI
178
VII
219
VIII
262
IX
298
X
333
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364
XII
395
XIII
427
XIV
450
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499
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Página 97 - Nature's productions should be far " truer " in character than man's productions ; that they should be infinitely better adapted to the most complex conditions of life, and should plainly bear the stamp of far higher workmanship...
Página 210 - If it could be proved that any part of the structure of any one species had been formed for the exclusive good of another species, it would annihilate my theory, for such could not have been produced through natural selection.
Página 398 - Every species has come into existence coincident both in space and time with a pre-existing closely allied species.
Página 78 - Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found it so — than constantly to bear this conclusion in mind.
Página 192 - If it could be demonstrated that any complex organ existed which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down.
Página 23 - ... and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chance of surviving, and thus be naturally selected. From the strong principle of inheritance, any selected variety will tend to propagate its new and modified form.
Página 22 - ... species had not been independently created, but had descended, like varieties, from other species. Nevertheless, such a conclusion, even if well founded, would be unsatisfactory, until it could be shown how the innumerable species inhabiting this world have been modified, so as to acquire that perfection of structure and coadaptation which justly excites our admiration.
Página 94 - Several writers have misapprehended or objected to the term Natural Selection, Some have even imagined that natural selection induces variability, whereas it' implies only the. preservation of such variations as arise and are beneficial to the being under its conditions of * life.
Página 46 - We cannot suppose that all the c — ac x1 breeds were suddenly produced as perfect and as useful as we now see them ; indeed, in many cases, we know that this has not been their history. The key is man's power of accumulative selection : nature gives successive variations ; man adds them up in certain directions useful to him.
Página 88 - Throw up a handful of feathers, and all must fall to the ground according to definite laws ; but how simple is this problem compared to the action and reaction of the innumerable plants and animals which have determined, in the course of centuries, the proportional numbers and kinds of trees now growing on the old Indian ruins...

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