Darwiniana: Essays |
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1 ÆäÀÌÁö
It is all those animals or plants which have descended from a single pair of
parents; it is the smallest distinctly definable group of living organisms; it is an
eternal and immutable entity; it is a mere abstraction of the human intellect
having no ...
It is all those animals or plants which have descended from a single pair of
parents; it is the smallest distinctly definable group of living organisms; it is an
eternal and immutable entity; it is a mere abstraction of the human intellect
having no ...
2 ÆäÀÌÁö
Let two botanists or two zoologists examine and describe the productions of a
country, and one will pretty certainly disagree with the other as to the number,
limits, and definitions of the species into which he groups the very same things.
Let two botanists or two zoologists examine and describe the productions of a
country, and one will pretty certainly disagree with the other as to the number,
limits, and definitions of the species into which he groups the very same things.
8 ÆäÀÌÁö
... nay. the changed flesh, the developing embryos, and even the very footsteps of
primaeval organisms. Thus the naturalist finds in the bowels of the earth species
as well defined as, and in some groups of animals more numerous than, those ...
... nay. the changed flesh, the developing embryos, and even the very footsteps of
primaeval organisms. Thus the naturalist finds in the bowels of the earth species
as well defined as, and in some groups of animals more numerous than, those ...
26 ÆäÀÌÁö
When we call a group of animals, or of plants, a species, we may imply thereby,
either that all these animals or plants have some common peculiarity of form or
structure; or, we may mean that they possess some common functional character.
When we call a group of animals, or of plants, a species, we may imply thereby,
either that all these animals or plants have some common peculiarity of form or
structure; or, we may mean that they possess some common functional character.
27 ÆäÀÌÁö
Thus horses form a species, because the group of animals to which that name is
applied is distinguished from all others in the world by the following constantly
associated characters. They have—1, A vertebral column; 2, Mammae; 3, ...
Thus horses form a species, because the group of animals to which that name is
applied is distinguished from all others in the world by the following constantly
associated characters. They have—1, A vertebral column; 2, Mammae; 3, ...
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able action adapted admit animals appears authority become believe better body breed called causes changes character common complete consider course creation cross Darwin deposited direct distinct doctrine doubt effect evidence evolution existence experiments expression fact favour force forms further germ give given groups hand horse hypothesis important influence kind knowledge known laws less living matter means mind modification natural natural selection objections observation once operation opinion organic Origin of Species parent particular persons phenomena plants position possible present principles probably produced Professor prove question races reason record relations remains remarkable respect result scientific selective breeding sense similar sort structure suppose term theory thing thought tion true variation varieties vary views whole writer