Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 1
... cause of variation , in spite of the expressed statement to the contrary which Darwin found it necessary to make , eight years after the publica- tion of the Origin of Species . " Natural selec- tion , " he said , has no relation ...
... cause of variation , in spite of the expressed statement to the contrary which Darwin found it necessary to make , eight years after the publica- tion of the Origin of Species . " Natural selec- tion , " he said , has no relation ...
Сторінка 2
... cause may be of each slight difference in the offspring from their parents and a cause for each must exist — it is the steady accumulation , through natural selec- tion , of such differences , when beneficial , that gives rise to all ...
... cause may be of each slight difference in the offspring from their parents and a cause for each must exist — it is the steady accumulation , through natural selec- tion , of such differences , when beneficial , that gives rise to all ...
Сторінка 9
... cause at all . This confusion is largely due to the unfortunate substitution of the terms " determinate " and " indeterminate " for Darwin's definite and indefinite " variation , which are far more appro- priate . I have also seen it ...
... cause at all . This confusion is largely due to the unfortunate substitution of the terms " determinate " and " indeterminate " for Darwin's definite and indefinite " variation , which are far more appro- priate . I have also seen it ...
Сторінка 11
... cause . Variations must be due either , ( 1 ) to the 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 ...
... cause . Variations must be due either , ( 1 ) to the 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 ...
Сторінка 13
... cause of structural de- velopment , this may be the case ; the evidence bearing on the subject , however , is weak ... caused by the transmission of changes Introduction 13.
... cause of structural de- velopment , this may be the case ; the evidence bearing on the subject , however , is weak ... caused by the transmission of changes Introduction 13.
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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 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