The Origin of Species by Means of Natural Selection, Or, The Preservation of Favored Races in the Struggle for Life: Reprinted from the Sixth London Edition, with All Additions and CorrectionsA. L. Burt Company, 1890 - 458ÆäÀÌÁö |
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... cells of the proper shape to hold the greatest possible amount of honey , with the least possible consumption of precious wax in their construction . It has been remarked that a skillful work- man with fitting tools and measures , would ...
... cells of the proper shape to hold the greatest possible amount of honey , with the least possible consumption of precious wax in their construction . It has been remarked that a skillful work- man with fitting tools and measures , would ...
261 ÆäÀÌÁö
... cell consists of an outer spherical portion , and of two , three , or more flat surfaces , according as the cell adjoins two , three , or more other cells . When one cell rests on three other cells , which , from the spheres being ...
... cell consists of an outer spherical portion , and of two , three , or more flat surfaces , according as the cell adjoins two , three , or more other cells . When one cell rests on three other cells , which , from the spheres being ...
266 ÆäÀÌÁö
... cells all round . The work of construction seems to be a sort of balance struck between many bees , all ... cells . It suffices that the bees should be enabled to stand at their proper relative distances from each other and from the ...
... cells all round . The work of construction seems to be a sort of balance struck between many bees , all ... cells . It suffices that the bees should be enabled to stand at their proper relative distances from each other and from the ...
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The Origin of Species by Means of Natural Selection: Or, The ..., 1-2±Ç Charles Darwin ªÀº ¹ßÃé¹® º¸±â - 1890 |
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adapted admit affinities ALEXANDRE DUMAS allied species America ancient appear beak become bees believe belonging birds breeds cause cells characters climate closely allied color continued crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favorable females fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate intervals kind lamell©¡ larv©¡ less living male mammals manner marsupials migration modified descendants natural selection naturalists nearly nest oceanic islands offspring organs paleozoic parent peculiar perfect pigeons pistil pollen present principle probably produced quadrupeds ranked remarked resemblance rudimentary seeds Silurian SIR WALTER SCOTT slight South America stamens sterility structure successive suppose tend theory tion trees variability variations varieties vary whole widely different wings young