→ to produce 1859 1860 1861 1866 1869 |
in order that 1872 |
|
→ for 1859 1860 1861 1866 1869 |
should be left, for 1872 |
|
→ still better adapted or improved; 1869 1872 |
improved; 1859 1860 1861 1866 |
|
→ in every country 1869 1872 |
everywhere 1859 1860 1861 1866 |
|
→ Nature, if I 1869 1872 |
nature cares nothing for appearances, except in so far as they 1859 |
Nature cares nothing for appearances, except in so far as they 1860 |
Nature (if I 1861 1866 |
|
→ allowed to personify the natural preservation or survival of the fittest, cares nothing for appearances, except in so far as they are 1869 1872 |
allowed thus to personify the natural preservation of varying and favoured individuals during the struggle for existence) cares nothing for appearances, except in so far as they are 1861 1866 |
OMIT 1859 1860 |
|
→ as is implied by the fact of their selection. 1869 1872 |
and the being is placed under well-suited conditions of life. 1859 1860 1861 1866 |
|
is
necessary
→to produce
new and unoccupied places
→for
natural selection to fill up by
improving some of the varying inhabitants. For as all the inhabitants of each country are struggling together with nicely balanced forces, extremely slight modifications in the structure or habits of one
would often give it an advantage over others; and still further modifications of the same kind would often still further increase the
as long as the
continued under the same conditions of life and profited by similar means of subsistence and defence. No country can be named in which all the native inhabitants are now so perfectly adapted to each other and to the physical conditions under which they live, that none of them could
be
→still better adapted or improved;
for in all countries, the natives have been so far conquered by naturalised productions, that they have allowed
to take firm possession of the land. And as foreigners have thus
→in every country
beaten some of the natives, we may safely conclude that the natives might have been modified with advantage, so as to have better resisted
intruders. |
|
As man can
and certainly has
a great result by his methodical and unconscious means of selection, what may not
Man can act only on external and visible characters:
→Nature, if I
may be
→allowed to personify the natural preservation or survival of the fittest, cares nothing for appearances, except in so far as they are
useful to any being. She can act on every internal organ, on every shade of constitutional difference, on the whole machinery of life. Man selects only for his own good; Nature only for that of the being which she tends. Every selected character is fully exercised by
→as is implied by the fact of their selection. Man keeps the
|