 | Daniel C. Dennett - 1996 - 596 pages
...breeders, but Darwin drove the point home with a calculation of his own: "The elephant is reckoned to be the slowest breeder of all known animals, and I have...estimate its probable minimum rate of natural increase: ... at the end of the fifth century there would be alive fifteen million elephants, descended from... | |
 | Charles Darwin - 1996 - 382 pages
...two, and so on, then in twenty years there would be a million plants. The elephant is reckoned to be the slowest breeder of all known animals, and I have...increase: it will be under the mark to assume that it breeds when thirty years old, and goes on breeding till ninety years old, bringing forth three pairs... | |
 | Pascal Acot - 1998 - 458 pages
...two, and so on, then in twenty years there would be a million plants. The elephant is reckoned to be the slowest breeder of all known animals, and I have...increase : it will be under the mark to assume that, it breeds when thirty years old, and goes on breeding 193 till ninety years old, bringing forth three... | |
 | Janet Radcliffe Richards - 2000 - 342 pages
...calculation of his own: 'The elephant is reckoned to be the slowest breeder of all known animals, and 1 have taken some pains to estimate its probable minimum rate of natural increase ... at the end of the fifth century there would be alive fifteen million elephants, descended from... | |
 | S. Chandrasekhar - 2002 - 238 pages
...next year produced two and so on, then in twenty years there would be a million plants. The elephant is reckoned the slowest breeder of all known animals,...increase; it will be under the mark to assume that it breeds when thirty years old, and goes on breeding til! ninety years old, bringing forth three pair... | |
 | Charles Darwin - 2003 - 676 pages
...two, and so on, then in twenty years there would be a million plants. The elephant is reckoned to be the slowest breeder of all known animals, and I have...increase: it will be under the mark to assume that it breeds when thirty years old, and goes on breeding till ninety years old, bringing forth three pair... | |
 | Barbara Harlow, Mia Carter - 2003 - 852 pages
...next year 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,...probable minimum rate of natural increase; it will be safest to assume that it begins breeding when thirty years old, and goes on breeding till ninety years... | |
 | Stephen Henry Schneider - 2004 - 412 pages
...appreciated the problem and considered the following thought experiment: "The elephant is reckoned to be the slowest breeder of all known animals, and I have...increase: it will be under the mark to assume that it breeds when thirty years old, bringing forth three pair of young in this interval; if this be so, at... | |
 | Elizabeth Grosz - 2004 - 330 pages
...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, and I have taken some pains to estimate its probably minimum rate of natural increase; it will be safest to assume that it begins breeding when... | |
 | Terry Burnham - 2008 - 322 pages
...Charles Darwin. In Chapter 3 of the Origin of Species, he writes: 9 The elephant is reckoned to be the slowest breeder of all known animals, and I have...increase: it will be under the mark to assume that it breeds when thirty years old, and goes on breeding till ninety years old, bringing forth three pairs... | |
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The elephant is reckoned the slowest breeder of all known animals, and I have taken some pains to estimate its probable minimum rate of natural increase; it will be... 
