Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 14
... sometimes in opposition , sometimes in conjunction , make the operation of selection far more complicated than in biology , where sympathy is practi- cally absent . It has been sometimes supposed that sympathy is opposed to selection ...
... sometimes in opposition , sometimes in conjunction , make the operation of selection far more complicated than in biology , where sympathy is practi- cally absent . It has been sometimes supposed that sympathy is opposed to selection ...
Сторінка 51
... sometimes been objected to ; but without any reason . If the book had been called " The Origin of Species by the Natural Selection of Varieties , " all ambiguity on this head would have been avoided , The origin of varieties and the ...
... sometimes been objected to ; but without any reason . If the book had been called " The Origin of Species by the Natural Selection of Varieties , " all ambiguity on this head would have been avoided , The origin of varieties and the ...
Сторінка 54
... Sometimes , indeed , these latent characters may be abnormally developed ; as when an old hen assumes the plumage and spurs of a cock and begins to crow ; but usually they remain latent all through life . Indeed , ancestral characters ...
... Sometimes , indeed , these latent characters may be abnormally developed ; as when an old hen assumes the plumage and spurs of a cock and begins to crow ; but usually they remain latent all through life . Indeed , ancestral characters ...
Сторінка 56
... sometimes follow the same rule ; for example , the veronicas in New Zealand are among the most variable of plants , while the veronicas of Europe are remark- ably stable . But more important still is the fact that the tendency to vary ...
... sometimes follow the same rule ; for example , the veronicas in New Zealand are among the most variable of plants , while the veronicas of Europe are remark- ably stable . But more important still is the fact that the tendency to vary ...
Сторінка 57
... sometimes accompanied by variation in another part : for example , in pigeons the beak and feet vary together . Horses with a white star on the forehead generally have white feet ; while in black - and - tan dogs tan feet go with tan ...
... sometimes accompanied by variation in another part : for example , in pigeons the beak and feet vary together . Horses with a white star on the forehead generally have white feet ; while in black - and - tan dogs tan feet go with tan ...
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Darwinism and Lamarckism, Old and New: Four Lectures Frederick Wollaston Hutton Повний перегляд - 1899 |
Darwinism and Lamarckism, Old and New: Four Lectures Frederick Wollaston Hutton Повний перегляд - 1899 |
Darwinism and Lamarckism Old and New Frederick Wollaston Hutton Попередній перегляд недоступний - 2014 |
Загальні терміни та фрази
acquired characters action of external action of natural action of selection adapted Ampelopsis animals and plants arise artificial selection become biology birds brought called cause cells colour compensation of growth congenital consequently Cope's rule Darwin definite variation despotism direct action divergent evolution doubt Dr Wallace edition elongated environment evidence example existence explain external conditions extrinsic selection facts favourable flowers G. H. Lewes gemmules genera genus germ-cells groups Henslow hypothesis idea important infertility inherited insects island kinetogenesis Lamarck Lamarckians large number living means mental variations modifications Moritz Wagner movements nation natural selection naturalists Neo-Lamarckians notochord offspring opinions organic evolution organisation Origin of Species Pangenesis Physiogenesis physiological plants and animals principle of compensation principle of selection produced Professor Cope progress Radiolarians reason says science of history seems sociology sterility structure suppose take place theory tion transmission transmitted tribe use-inheritance varieties vertebræ Weismann Zealand