Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка
... sufficiently clear to be understood at the first read- ing , and sufficiently short to discourage skipping . This has been my aim ; and as all the first three lectures were addressed to mixed audiences , and were intended to be popular ...
... sufficiently clear to be understood at the first read- ing , and sufficiently short to discourage skipping . This has been my aim ; and as all the first three lectures were addressed to mixed audiences , and were intended to be popular ...
Сторінка 11
... to the directive force being sufficiently strong to over- come all obstacles . The greatest obstacle is free intercrossing with individuals which do not pos- sess the variation . This is overcome either by the Introduction I I.
... to the directive force being sufficiently strong to over- come all obstacles . The greatest obstacle is free intercrossing with individuals which do not pos- sess the variation . This is overcome either by the Introduction I I.
Сторінка 14
... sufficient to explain all the deficiencies without any help from Lamarckism . Indeed , it is not clear how Lamarckism bears on the case at all ; for that is an hypothesis to ex- plain the origin of adaptations only ; and fails , equally ...
... sufficient to explain all the deficiencies without any help from Lamarckism . Indeed , it is not clear how Lamarckism bears on the case at all ; for that is an hypothesis to ex- plain the origin of adaptations only ; and fails , equally ...
Сторінка 25
... sufficient amount of intelligence had been reached . Not only were these made for man , but they appear to have been made as re- wards for the exercise of his intellect . There are other substances , such as the rarer elements , of ...
... sufficient amount of intelligence had been reached . Not only were these made for man , but they appear to have been made as re- wards for the exercise of his intellect . There are other substances , such as the rarer elements , of ...
Сторінка 31
... sufficient to prove community of descent ; while dissimilarity in appearance , and infertility , partial or complete , were supposed to prove that the individuals had descended from separate stocks , and , consequently , belonged to ...
... sufficient to prove community of descent ; while dissimilarity in appearance , and infertility , partial or complete , were supposed to prove that the individuals had descended from separate stocks , and , consequently , belonged to ...
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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