Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 4
... action is not like that of leading a horse , but like that of driving a flock of sheep . It is not in any way analogous to the methodical selection of man , but more nearly represents what Darwin called unconscious selec- tion . This ...
... action is not like that of leading a horse , but like that of driving a flock of sheep . It is not in any way analogous to the methodical selection of man , but more nearly represents what Darwin called unconscious selec- tion . This ...
Сторінка 11
... action of the environment directly on the individuals , or indirectly , by causing a change of habit , and thus leading to the greater or less use of certain organs . Or , ( 2 ) to internal causes affecting the action of some law of ...
... action of the environment directly on the individuals , or indirectly , by causing a change of habit , and thus leading to the greater or less use of certain organs . Or , ( 2 ) to internal causes affecting the action of some law of ...
Сторінка 13
... action of climate or other external agent . It might then perhaps in time become definite and congenital , provided there is some process by which structural variations affect the germ - cells in a manner simi- lar to the action of ...
... action of climate or other external agent . It might then perhaps in time become definite and congenital , provided there is some process by which structural variations affect the germ - cells in a manner simi- lar to the action of ...
Сторінка 14
... action of external agencies . " Which , I suppose , means that there is no alternative but a partial return to Lamarck- ism . It will , however , be seen in the second lecture that there is no necessity for thinking that acquired ...
... action of external agencies . " Which , I suppose , means that there is no alternative but a partial return to Lamarck- ism . It will , however , be seen in the second lecture that there is no necessity for thinking that acquired ...
Сторінка 16
... action of natural selection in human society has been ably investigated by Dr. Wallace , Mr. Greg , Mr. Galton , Mr. Herbert Spencer , Mr. Bagehot , Mr. Kidd , and others ; and a summary of the older views will be found in Darwin's ...
... action of natural selection in human society has been ably investigated by Dr. Wallace , Mr. Greg , Mr. Galton , Mr. Herbert Spencer , Mr. Bagehot , Mr. Kidd , and others ; and a summary of the older views will be found in Darwin's ...
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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 animals and plants arise artificial selection become biology birds called cause cells Chatham Island colour congenital consequently Darwin definite variation despotism different species direct action divergent evolution domesticated doubt earth environment evidence explain external conditions extrinsic selection facts fancy pigeons favour fertile flatfish flowers gemmules genera genus germ-cells groups Herbert Spencer hypothesis idea important indefinite infertility inheritance insects island kinetogenesis Lamarck Lamarckians large number lecture living means mental variations modification Moritz Wagner natural selection naturalists Neo-Lamarckians North Island notochord number of individuals offspring opinion organic evolution organisation Origin of Species Pangenesis physical isolation physiological isolation plants and animals post-natal present principle of selection produced Professor progress Radiolarians reason recognition-marks says science of history structure struggle for existence suppose take place theory tion transmitted use-inheritance varieties vary vertebræ Zealand