 Even slow-breeding man has doubled in twenty-five years, and at this rate, in a few thousand years, there would literally not be standing room for his progeny. Linnaeus has calculated that if an annual plant produced only two seeds — and there is no...  A Primer of Darwinism and Organic Evolution - Page 58by Joseph Young Bergen, Fanny Dickerson Bergen - 1890 - 261 pagesFull view - About this book
 | Frederick Orpen Bower - Botany - 1911 - 188 pages
...rapidly very large. Already Linnaeus had calculated that if an annual plant produced only two seeds, and their seedlings next year produced two, and so...then in twenty years there would be a million plants. This is, however, a very slow rate of breeding, and it will be well to enquire what are the rates of... | |
 | James Joseph Walsh - Civilization - 1912 - 470 pages
...in less than a thousand years there would literally not be standing room for his progeny. Linnaeus has calculated that if an annual plant produced only...in twenty years there would be a million plants." Arrangements are made, then, by nature by which the possibility of such increase on the part of any... | |
 | Charles Darwin - 1912 - 776 pages
...in less than a thousand years, there would literally not be standing-room for his progeny. Linnaeus has calculated that if an annual plant produced only...produced two, and so on, then in twenty years there should be a million plants. The elephant is reckoned the slowest breeder of all known animals, and... | |
 | John Edward Bennett - Civilization - 1918 - 190 pages
...increase of life, as Mr. Alfred Russell Wallace points out, is always in geometrical ratio. Linnaeus has calculated that, if an annual plant produced only...then in twenty years there would be a million plants. "Even slow breeding man," says Darwin, "has doubled in twenty-five years, and, at this rate, in less... | |
 | Clarence Marsh Case - Sociology - 1924 - 1026 pages
...rate, in a few thousand years, there would literally not be standing-room for his progeny. Linnaeus has calculated that if an annual plant produced only two seeds — and there is no plant nearly so unproductive as this — and their seedlings next year produced two, and so on, then in twenty... | |
 | Literature - 1875 - 820 pages
...pair. Linnaeus calculated that if an annual plant produced only two seeds, and their seedlings the next year produced two, and so on, then, in twenty years, there would be a million plants. And Darwin has computed the living progeny of a single pair of elephants—they being taken as the... | |
 | Geology - 1860 - 484 pages
...in a few thousand years, tliero would literally not be standing room for his progeny. Linuseus Las calculated that if an annual plant produced only two...— and there is no plant so unproductive as this — rind their seedlings next year produced two, and so on, then in twenty rears there would bo a million... | |
 | Charles Darwin - Reference - 1996 - 382 pages
...rate, in a few thousand years, there would literally not be standing room for his progeny. Linnaeus has calculated that if an annual plant produced only...would be a million plants. The elephant is reckoned to be the slowest breeder of all known animals, and I have taken some pains to estimate its probable... | |
 | Pascal Acot - Ecology - 1998 - 458 pages
...in a few thousand years, there woidd literally not be standing room for his progeny. Linnncns lias calculated that if an annual plant produced only two...would be a million plants. The elephant is reckoned to be the slowest breeder of all known animals, and I have taken some pains to estimate its probable... | |
 | Richard F. Burton - Mathematics - 1998 - 260 pages
...Darwin, Linnaeus and Malthus In The Origin of Species Darwin referred to a calculation by Linnaeus: ... if an annual plant produced only two seeds and there is no plant so unproductive and their seedlings next year produced two, and so on, then in twenty years there would be a million... | |
| |
