Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 59
... flowering plants with perfect flowers into twenty classes , according to the number and coherence of the stamens ; and each of Darwinism 59.
... flowering plants with perfect flowers into twenty classes , according to the number and coherence of the stamens ; and each of Darwinism 59.
Сторінка 60
... flowers on the same plant . The natural methods aimed more at bringing together plants or animals which their general structure showed to be mutually connected ; and they took a combination of characters as a test of this rela- tionship ...
... flowers on the same plant . The natural methods aimed more at bringing together plants or animals which their general structure showed to be mutually connected ; and they took a combination of characters as a test of this rela- tionship ...
Сторінка 75
... flowers on first being cultivated do not vary for several years ; and wild ducks when kept tame do not vary for the first five or six generations ; but when in time the original colour or form shows an alteration , then variations will ...
... flowers on first being cultivated do not vary for several years ; and wild ducks when kept tame do not vary for the first five or six generations ; but when in time the original colour or form shows an alteration , then variations will ...
Сторінка 77
... flowers occur on the same plant ) , shows that change is not necessary for variation . Again , variations take place under all latitudes , wherever plants and animals are found ; and it is by no means necessary that the climate should ...
... flowers occur on the same plant ) , shows that change is not necessary for variation . Again , variations take place under all latitudes , wherever plants and animals are found ; and it is by no means necessary that the climate should ...
Сторінка 119
... flower- ing , or in the time of pairing , whereby late and early individuals are prevented from crossing . There is a good instance of this in the Mutton- birds of the Kermadec Islands . These two varie- ties of Estrelata neglecta — the ...
... flower- ing , or in the time of pairing , whereby late and early individuals are prevented from crossing . There is a good instance of this in the Mutton- birds of the Kermadec Islands . These two varie- ties of Estrelata neglecta — the ...
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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