 | Charles Darwin - 1902 - 472 páginas
...increasing, more or less rapidly, in numbers, all cannot do so, for the world would not hold them. There is no exception to the rule that every organic...progeny of a single pair. Even slow-breeding man has bled i doubled in twenty-five years, and at this rate, in a few thousand years, there would literally... | |
 | Benjamin Kidd - 1902 - 558 páginas
...outrun the means of comfortable existence for the time being. "There is no exception," says Darwin, "to the rule that every organic being naturally increases...soon be covered by the progeny of a single pair." 1 The increase of life, as Mr. Alfred Russel Wallace points out, is always in a geometrical ratio.... | |
 | James Orton, Charles Wright Dodge - 1903 - 550 páginas
...lives, if at all, by a struggle at some period of its life. The meekest creatures must fight, or die. " There is no exception to the rule that every organic...soon be covered by the progeny of a single pair." If the increase of the human race were not checked, there would not be standing room for the descendants... | |
 | William Usborne Moore - 1903 - 402 páginas
...condition of life on the earth. If it did not occur, no life could exist for long. Every organic being increases at so high a rate that, if not destroyed,...single pair. Even slow-breeding man has doubled in 25 years, and in 1,000 years there would not be standing-room for his progeny. If all the offspring... | |
 | Jacob Gould Schurman - 1903 - 292 páginas
...years, produce a million plants. Without adding examples, we may now realize Darwin's general statement "that every organic being naturally increases at so...soon be covered by the progeny of a single pair." Hence, as infinitely more individual animals and plants are produced than can possibly survive, nature... | |
 | David Starr Jordan, Vernon Lyman Kellogg, Harold Heath - 1905 - 676 páginas
...plants which feed upon it. " Even slow-breeding man," says Darwin, " has doubled in twenty-five years. At this rate in less than a thousand years there would literally not be standing room for his progeny. The elephant is reckoned the slowest breeder of all known animals. It... | |
 | Georges Chatterton-Hill - 1907 - 620 páginas
...generation. The third factor is that of excessive fecundity. " There is no exception," wrote Darwin, " to the rule that every organic being naturally increases...slow-breeding man has doubled in twenty-five years, and 1 Darwin, The Origin of Species, p. 106 (edition 1902). at this rate in less than a thousand years... | |
 | David Starr Jordan - 1907 - 610 páginas
...being naturally increases at so high a rate that if not destroyed the earth would soon be covered with the progeny of a single pair. Even slow-breeding man...than a thousand years there would literally not be standing room for his progeny. . . . The elephant is reckoned the slowest breeder of all known animals,... | |
 | Yogi Ramacharaka, William Walker Atkinson - 1907 - 328 páginas
...organisms that survive are very small compared with the number that are born. To quote his own words, "There is no exception to the rule that every organic being naturally increase^ at so high a rate that, if not destroyed, the earth would soon be covered by the progeny... | |
 | YOGI RAMACHARAKA - 1908
...organisms that survive are very small compared with the number that are born. To quote his own words, "There is no exception to the rule that every organic...than a thousand years there would literally not be standing room for the progeny." It has been computed that if the offspring of the elephant, which is... | |
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There is no exception to the rule that every organic being naturally increases at so high a rate, that, if not destroyed, the earth would soon be covered by the progeny of a single pair. 
