On the Origin of Species: By Means of Natural Selection Or the Preservation of Favored Races in the Struggle for LifeOn the Origin of Species, published in 1859, is widely accepted as the seminal work in modern biology. Through careful observation, Charles Darwin explains how traits can be selected for within a population. This is easily observed in the artificial selection of farm animals, for instance. Darwin's theory caused an uproar that can still be heard today by refuting the Christian doctrine of created breeds, in which all species that exist now have always existed just as they are. It is the very publication of this work that gave Charles Darwin his place of prominence in the history of the theory of evolution, because while he was not the first to suggest such a mechanism, his book and its exhaustive studies made the information widely available. English scientist, naturalist, and geologist CHARLES DARWIN (1809-1882) revolutionized science, especially biology, with his theory of evolution through natural selection. As a passenger aboard the Beagle, Darwin became intrigued by the existence of different species in different geographical locations, which aided in the development of his theory. In addition to The Origin of Species, he is also remembered for The Descent of Man, and Selection in Relation to Sex and The Expression of the Emotions in Man and Animals. |
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Стр. 3
From the strong principle of inheritance, any selected variety will tend to propagate its new and modified form. This fundamental subject of Natural Selection will be treated at some length in the fourth chapter; and we shall then see ...
From the strong principle of inheritance, any selected variety will tend to propagate its new and modified form. This fundamental subject of Natural Selection will be treated at some length in the fourth chapter; and we shall then see ...
Стр. 8
The whole organisation seems to have become plastic, and tends to depart in some small degree from that of the parental type. Any variation which is not inherited is unimportant for us. But the number and diversity of inheritable ...
The whole organisation seems to have become plastic, and tends to depart in some small degree from that of the parental type. Any variation which is not inherited is unimportant for us. But the number and diversity of inheritable ...
Стр. 9
... a peculiarity first appears, it tends to appear in the offspring at a corresponding age, though sometimes earlier. ... yet that it does tend to appear in the offspring at the same period at which it first appeared in the parent.
... a peculiarity first appears, it tends to appear in the offspring at a corresponding age, though sometimes earlier. ... yet that it does tend to appear in the offspring at the same period at which it first appeared in the parent.
Стр. 26
As soon as the points of value of the new sub-breed are once fully acknowledged, the principle, as I have called it, of unconscious selection will always tend,— perhaps more at one period than at another, as the breed rises or falls in ...
As soon as the points of value of the new sub-breed are once fully acknowledged, the principle, as I have called it, of unconscious selection will always tend,— perhaps more at one period than at another, as the breed rises or falls in ...
Стр. 35
... and, consequently, we might have expected to have found in the larger genera, or those including many species, a large proportional number of dominant species. But so many causes tend to obscure this result, that I am surprised that ...
... and, consequently, we might have expected to have found in the larger genera, or those including many species, a large proportional number of dominant species. But so many causes tend to obscure this result, that I am surprised that ...
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Содержание
1 | |
29 | |
39 | |
51 | |
CHAPTER V | 83 |
CHAPTER VI | 108 |
CHAPTER VII | 131 |
CHAPTER | 155 |
CHAPTER IX | 176 |
CHAPTER X | 196 |
CHAPTER XI | 217 |
CHAPTER XII | 240 |
CHAPTER XIII | 258 |
CHAPTER XIV | 288 |
Index 308318 | 308 |
Другие издания - Просмотреть все
On the Origin of Species: By Means of Natural Selection Or the Preservation ... Charles Darwin Ограниченный просмотр - 2007 |
The Origin of Species by Means of Natural Selection: Or the Preservation of ... Charles Darwin Ограниченный просмотр - 1982 |
Часто встречающиеся слова и выражения
action adapted advantage allied America amount ancient animals appear become believe birds breeds cause characters climate closely common compared considered continuous crossed descended developed difficulty distinct domestic doubt effects existing explained extinct extremely facts favourable fertility flowers follow formations forms genera genus geological give given greater groups habits hand Hence hybrids important improved increase individuals inhabitants inherited insects instance instincts intermediate islands kind known land laws less living look male manner means migration modification namely natural selection naturalists nearly never observed occasional occur organic origin parent perfect period plants points present principle probably produced range ranked reason remarked resemblance seeds seems seen separated single slight sometimes species sterility structure struggle successive supposed tend theory tion understand variability variation varieties vary whole widely
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Стр. 126 - 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.
Стр. 119 - 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.
Стр. 1 - When on board HMS Beagle, as naturalist, I was much struck with certain facts in the distribution of the organic beings inhabiting South America, and in the geological relations of the present to the past inhabitants of that continent.
Стр. 82 - The limbs divided into great branches, and these into lesser and lesser branches, were themselves once, when the tree was...
Стр. 47 - Battle within battle must ever be recurring with varying success ; and yet in the longrun the forces are so nicely balanced, that the face of nature remains uniform for long periods of time, though assuredly the merest trine would often give the victory to one organic being over another.
Стр. 44 - The action of climate seems at first sight to be quite independent of the struggle for existence ; but in so far as climate chiefly acts in reducing food, it brings on the most severe struggle between the individuals, whether of the same or of distinct species, which subsist on the same kind of food.
Стр. 49 - ... which it comes into competition for food or residence, or from which it has to escape, or on which it preys. This is obvious in the structure of the teeth and talons of the tiger ; and in that of the legs and claws of the parasite which clings to the hair on the tiger's body. But in the beautifully plumed seed of the dandelion, and in the flattened and fringed legs of the water-beetle, the relation seems at first confined to the elements of air and water.
Стр. 178 - He who can read Sir Charles Lyell's grand work on the Principles of Geology, which the future historian will recognize as having produced a revolution in natural science, and yet does not admit how vast have been the past periods of time, may at once close this volume.