| Francis Amasa Walker - 1876 - 440 páginas
...hundred and fifty years there would be alive nearly nineteen million elephants descended from the first pair. . . . Even slow-breeding man has doubled in...a few thousand years there would literally not be standing-room for his progeny." 1 But how would it be meanwhile with subsistence ? In saying that this... | |
| Francis Amasa Walker - 1876 - 432 páginas
...hundred and fifty years there would be alive nearly nineteen million elephants descended from the first pair. . . . Even slow-breeding man has doubled in...a few thousand years there would literally not be standing-room for his progeny." 2 But how would it be meanwhile with subsistence ? In saying that this... | |
| Asa Gray - 1877 - 418 páginas
...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...a few thousand years, there would literally not be standing-room for his progeny. Linnseus has calculated that if an annual plant produced only two seeds—and... | |
| James Orton - 1877 - 418 páginas
...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." If the increase of the human race were not checked, there would not be standing-room for the descendants... | |
| James Orton - 1883 - 424 páginas
...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." If the increase of the human race were not checked, there would not be standing-room for the descendants... | |
| Charles Bray - 1883 - 352 páginas
...Darwin, " that every organic being naturally increases at so high a rate, that if not destroyed this earth would. soon. be covered by the progeny of a single pair." The wish, that of the living whole No life may fail beyond the grave, Derives it not from what we have... | |
| Charles Darwin - 1884 - 396 páginas
...naturally increases at so high a rate, that, if not destroyed, the earth would soon be covered with the 5 progeny of a single pair. Even slow-breeding man has...doubled in twenty-five years, and at this rate, in less than a thousand years, there would literally not be standingroom for his progeny. Linnaeus has... | |
| 1886 - 548 páginas
...is no exception to the rule that every organic being naturall v increases at so high a rate that if not destroyed the earth would soon be covered by the...doubled in twenty-five years, and at this rate in less than a thousand years there would literally not be standing-room for his progeny. Linnseus has... | |
| Joseph Thomas Cunningham - 1886 - 48 páginas
...rule that every organic being naturally increases at so high a rate, that, \ V Charles Darwin. 13 if not destroyed, the earth would soon be covered by...doubled in twenty-five years, and at this rate in less than a thousand years there would literally not be standing room for his progeny. There is direct... | |
| Jacob Gould Schurman - 1887 - 292 páginas
...Darwin's general statement "that every organic l>eing naturally increases at so high a rate that, if not destroyed, the earth would 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... | |
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