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" A struggle for existence inevitably follows from the high rate at which all organic beings tend to increase. Every being, which during its natural lifetime produces several eggs or seeds, must suffer destruction during some period of its... "
The Politics of Utility: The Technology of Happiness-applied; Being Book III ... - Page 8
by James MacKaye - 1906 - 179 pages
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The Theological and Literary Journal, Volume 13

1861 - 824 pages
...which pass into each other, I use for convenience sake the general term of struggle for existence. " A struggle for existence inevitably follows from the...during its natural lifetime produces several eggs and seeds must suffer destruction during some period of its life, and during some season or occasional...
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Transactions of the Illinois Natural History Society

Illinois Natural History Society - Natural history - 1861 - 224 pages
...which is constantly waging all around us : "A struggle for existence inevitably follows from the hifih rate at which all organic beings tend to increase....natural lifetime, produces several eggs or seeds, must suffi r destruction during some period of its life ; oiherwise, on the principle of geometrical increase,...
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Transactions of the Illinois State Agricultural Society, with ..., Volume 4

Illinois State Agricultural Society - Agriculture - 1861 - 736 pages
...History, and well illustrates the battle for life which is constantly waging all around us : " A straggle for existence inevitably follows from the high rate at which all organic bi'ingi tend to increase. Every being which, during its natural lifetime, produces several e<rgs or...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - Evolution - 1864 - 472 pages
...which pass into each other, I use for convenience sake the general term of struggle for existence. A struggle for existence inevitably follows from the...rate at which all organic beings tend to increase. E.verj; ^S5S> wnicn during its natural lifetime produces several eggs dr~seeds,miiBlT"BTlffer destruction...
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The American Naturalist, Volume 46

Biology - 1912 - 772 pages
...is well known and so it is not surprising to find him writing in the "Origin of Species," page 60, A struggle for existence inevitably follows from the...rate at which all organic beings tend to increase. And again on page 72, Each organic being is striving to increase in geometrical ratio; each, at some...
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The American Naturalist, Volume 46

Biology - 1912 - 772 pages
...is well known and so it is not surprising to find him writing in the "Origin of Species," page 60, A struggle for existence inevitably follows from the...rate at which all organic beings tend to increase. And again on page 72, Each organic being is striving to increase in geometrical ratio; each, at some...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - Evolution - 1882 - 494 pages
...use for convenience' sake the general term of Struggle for Existence. Geometrical Ratio of Increase. A struggle for existence inevitably follows from the high rate at which alt organic beings tend to increase. Eveiy being, which during its natural lifetime produces several...
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The Irish ecclesiastical record

Irish ecclesiastical record - 1884 - 840 pages
...nature are, he says, engaged in a perpetual struggle to maintain themselves in existence. He says : " A struggle for existence inevitably follows from the...rate at which all organic beings tend to increase. . . . Hence, as more individuals are produced than can possibly survive, there must in every case be...
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Charles Darwin, Naturalist

Joseph Thomas Cunningham - Evolution - 1886 - 48 pages
...out that the term, "struggle for existence," is used in a large and metaphorical sense. The struggle inevitably follows from the high rate at which all organic beings tend to increase, while the actual numbers of a given species never increase so fast, often decrease, and sometimes remain...
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Science Sketches

David Starr Jordan - Natural history - 1887 - 296 pages
...selection " by Mr. Darwin, and by Mr. Spencer the " survival of the fittest." In Mr. Darwin's words, — " A struggle for existence inevitably follows from the...beings tend to increase. Every being which during its lifetime produces several eggs or seeds must suffer destruction during some period of its life and...
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