 | 1886 - Страниц: 548
...the world would not hold them. There is no exception to the rule that every organic being naturall v increases at so high a rate that if not destroyed...would soon be covered by the 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... | |
 | Joseph Thomas Cunningham - 1886 - Страниц: 48
...numbers of a given species never increase so fast, often decrease, and sometimes remain stationary. There is no exception to the 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 the progeny of a single... | |
 | Jacob Gould Schurman - 1887 - Страниц: 292
...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... | |
 | Jacob Gould Schurman - 1887 - Страниц: 292
...plants. Without adding examples, we may now realize Darwin's general statement "that every organic l>eing naturally increases at so high a rate that, if not...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... | |
 | Canadian Institute - 1887 - Страниц: 560
...other of their life. Every creature naturally increases at so high a rate, that if multitudes were not destroyed, the earth would soon be covered by the progeny of a single pair. This applies to the more slowly breeding, as well as to those that increase annually by the hundred... | |
 | Canadian Institute - 1887 - Страниц: 252
...other of their life. Every creature naturally increases at so high a rate, that if multitudes were not destroyed, the earth would soon be covered by the progeny of a single pair. This applies to the more slowly breeding, as well as to those that increase annually by the hundred... | |
 | Edward Clodd - 1888 - Страниц: 284
...far higher workmanship ? ' l 4. More organisms are born than survive. To quote Darwin once more, ' there is no exception to the rule that every organic...would soon be covered by the progeny of a single pair. Even slowbreeding man has doubled in twenty-five years, and at this rate in less than a thousand years... | |
 | Asa Gray - 1889 - Страниц: 422
...though food may be now superabundant, it is not so at all seasons of each recurring year." — (p. 62.) "There is no exception to the rule that every organic...rate that, if not destroyed, the earth would soon he covered by the progeny of a single pair. Even slow-breeding man has doubled in twenty-five years,... | |
 | Charles Bray - 1889 - Страниц: 434
...strength and vigour and efficiency for enjoyment. " There is no exception to the rule," says 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 rate of increase is geometrical.... | |
 | 1890 - Страниц: 540
...progeny reached maturity, the earth would soon be utterly unable to hold the product. Indeed, Darwin says that: " Every organic being naturally increases at...would soon be covered by the progeny of a single pair. Even slow breeding man has doubled in twenty-five years, and at this rate, in a few thousand years... | |
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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. 
