CLASSIFICATION, groups subordinate to groups— Natural system— Rules and difficulties in classification, explained on the theory of descent with modification— Classification of varieties— Descent always used in classification— Analogical or adaptive characters— Affinities, general,
complex complex 1859 1860 1861 | complex, 1866 1869 1872 |
and radiating— Extinction separates and defines groups— MORPHOLOGY, between members of the same class, between parts of the same individual— EMBRYOLOGY, laws of, explained by variations not supervening at an early age, and being inherited at a corresponding age— RUDIMENTARY ORGANS; their origin explained— Summary. ↑Subtitle not present 1859 1860 1861 |
Classification
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FROM
the first dawn of life, all the first dawn of life, all 1859 1860 1861 1866 |
a very remote period in the history of the world 1869 |
the most remote period in the history of the world 1872 |
organic beings
are found to are found to 1859 1860 1861 1866 |
have 1869 |
have been found to 1872 |
resemble resemble 1859 1860 1861 1866 1872 | resembled 1869 |
each other in descending degrees, so that they can be classed in groups under groups. This classification is
evidently evidently 1859 1860 1861 1866 | evidently 1869 1872 |
not arbitrary like the grouping of the stars in constellations. The existence of groups would have been of simple
signification, signification, 1859 1860 1861 1866 1869 | significance, 1872 |
if one group had been exclusively fitted to inhabit the land, and another the water; one to feed on flesh, another on vegetable matter, and so on; but the case is widely
different different 1859 1860 1861 1866 1869 | different, 1872 |
in nature; in nature; 1859 1860 1861 1866 1869 | in nature; 1872 |
for it is notorious how commonly members of even the same sub-group have different habits. In
the the 1861 1866 1869 1872 | our 1859 1860 |
second and fourth chapters, on Variation and on Natural Selection, I have attempted to show that
within each country it within each country it 1861 1866 1869 1872 |
it 1859 1860 |
is the widely ranging, the much diffused and common, that is the dominant
species species 1859 1860 1861 1866 1869 | species, 1872 |
belonging to the larger
genera genera 1861 1866 1869 1872 | genera, 1859 1860 |
in each class, which in each class, which 1861 1866 1869 1872 |
which 1859 1860 |
vary most. The varieties, or incipient species, thus
produced, produced, 1861 1866 1869 1872 | produced 1859 1860 |
ultimately become
converted, converted, 1859 1860 1861 | converted 1866 1869 1872 |
as I believe, as I believe, 1859 1860 1861 |
OMIT 1866 1869 1872 |
into new and distinct species; and these, on the principle of inheritance, tend
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