Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 69
... remain attached , and that each grows by numerous divisions into quite different organs ? What further are we to think when we find that a portion of protoplasm , detached from this organ- ism , will go through a life - history exactly ...
... remain attached , and that each grows by numerous divisions into quite different organs ? What further are we to think when we find that a portion of protoplasm , detached from this organ- ism , will go through a life - history exactly ...
Сторінка 72
... remain latent all through life . Indeed , ancestral char- acters can remain latent for many generations . For example , all our various breeds of fancy pigeons are undoubtedly descended from the wild Blue Rock , " which is chiefly ...
... remain latent all through life . Indeed , ancestral char- acters can remain latent for many generations . For example , all our various breeds of fancy pigeons are undoubtedly descended from the wild Blue Rock , " which is chiefly ...
Сторінка 81
... remain shrouded in mystery , although no doubt the hu- man intellect will always be trying to solve it . And now , ladies and gentlemen , I have ex- plained to the best of my ability the scope and limits of Darwinism . All through the ...
... remain shrouded in mystery , although no doubt the hu- man intellect will always be trying to solve it . And now , ladies and gentlemen , I have ex- plained to the best of my ability the scope and limits of Darwinism . All through the ...
Сторінка 97
... remain the same for a long time , it entirely destroys all new variations . Darwin , when dis- cussing the question of divergent evolution , says : " As has always been my practice , let us seek light on this head from our domestic ...
... remain the same for a long time , it entirely destroys all new variations . Darwin , when dis- cussing the question of divergent evolution , says : " As has always been my practice , let us seek light on this head from our domestic ...
Сторінка 116
... remain unchanged in all countries . But this only shows that many plants and animals do not change readily , and that there have been no variations for isolation to preserve . For once more I must remind you that isolation does not ...
... remain unchanged in all countries . But this only shows that many plants and animals do not change readily , and that there have been no variations for isolation to preserve . For once more I must remind you that isolation does not ...
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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