Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Результати 1-5 із 53
Сторінка 1
... Origin of Species . " Natural selec- tion , " he said , has no relation whatever to the primary cause of any modification of structure . ” ' 66 Darwin certainly investigated the problems of inheritance and variation , and added largely ...
... Origin of Species . " Natural selec- tion , " he said , has no relation whatever to the primary cause of any modification of structure . ” ' 66 Darwin certainly investigated the problems of inheritance and variation , and added largely ...
Сторінка 2
... Origin of Species . In this book he has a chapter on the laws of variation , in which he says that our ignor- ance of them is profound . He makes no attempt to explain them ; nor does he propose any hypo- thesis of the origin of ...
... Origin of Species . In this book he has a chapter on the laws of variation , in which he says that our ignor- ance of them is profound . He makes no attempt to explain them ; nor does he propose any hypo- thesis of the origin of ...
Сторінка 4
... real mode of action of natural selection ; and 1 Origin of Species , 5th ed . ( 1869 ) , p . 104 ; and Life and Letters , iii . , pp . 107-108 . so soon as that mistake was seen the difficulty vanished 4 Darwinism and Lamarckism.
... real mode of action of natural selection ; and 1 Origin of Species , 5th ed . ( 1869 ) , p . 104 ; and Life and Letters , iii . , pp . 107-108 . so soon as that mistake was seen the difficulty vanished 4 Darwinism and Lamarckism.
Сторінка 6
... origin of varieties . If the varieties came quickly , natural selection would act quickly ; and vice versa . No ... origins . The truth is that the new Darwinism is merely an ex- panded form of the old , in which , in addition to ...
... origin of varieties . If the varieties came quickly , natural selection would act quickly ; and vice versa . No ... origins . The truth is that the new Darwinism is merely an ex- panded form of the old , in which , in addition to ...
Сторінка 11
... origin , although the effects may not show until long after birth . Definite variation is due to the directive force being sufficiently strong to over- come all obstacles . The greatest obstacle is free intercrossing with individuals ...
... origin , although the effects may not show until long after birth . Definite variation is due to the directive force being sufficiently strong to over- come all obstacles . The greatest obstacle is free intercrossing with individuals ...
Інші видання - Показати все
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 selection adapted Ampelopsis animals and plants arise artificial selection become biology birds brought called cause cells colour compensation of growth congenital consequently Darwin definite variation despotism direct action divergent evolution doubt elongated environment evidence existence explain external conditions extrinsic selection facts favour flatfish flowers G. H. Lewes gemmules genera genus germ-cells groups Henslow Herbert Spencer hypothesis idea important indefinite infertility inherited insects island kinetogenesis Lamarck Lamarckians large number living means mental variations modification Moritz Wagner movements nation natural selection naturalists Neo-Lamarckians notochord number of individuals offspring opinion organic evolution organisation Origin of Species Pangenesis physical Physiogenesis plants and animals principle of compensation principle of selection produced Professor progress Radiolarians reason result says science of history seems sterility structure suppose take place theory tion transmission transmitted tribe use-inheritance varieties vertebræ Weismann Zealand