Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 17
... example of the working of extrinsic selection . Extrinsic selection plays a very important part in social evolution , much more so than in biology . An animal obtains its food , defends itself from enemies , and is protected from the ...
... example of the working of extrinsic selection . Extrinsic selection plays a very important part in social evolution , much more so than in biology . An animal obtains its food , defends itself from enemies , and is protected from the ...
Сторінка 25
... example , gold , silver , lead , zinc , etc. These must have been intended for his use , for they were useless in the economy of nature until a sufficient amount of intelligence had been reached . Not only were these made for man , but ...
... example , gold , silver , lead , zinc , etc. These must have been intended for his use , for they were useless in the economy of nature until a sufficient amount of intelligence had been reached . Not only were these made for man , but ...
Сторінка 59
... example made by Linnæus . is the classification of plants He first divided all flowering plants with perfect flowers into twenty classes , according to the number and coherence of the stamens ; and each of Darwinism 59.
... example made by Linnæus . is the classification of plants He first divided all flowering plants with perfect flowers into twenty classes , according to the number and coherence of the stamens ; and each of Darwinism 59.
Сторінка 69
... example , the par- ticle of protoplasm called the oöspore of a fern . This will divide into two parts , by the formation of a thin membrane of cellulose ; and afterwards these two cells will develop quite differently , one forming the ...
... example , the par- ticle of protoplasm called the oöspore of a fern . This will divide into two parts , by the formation of a thin membrane of cellulose ; and afterwards these two cells will develop quite differently , one forming the ...
Сторінка 72
... example , all our various breeds of fancy pigeons are undoubtedly descended from the wild Blue Rock , " which is chiefly characterised by its blue colour , and by having two black bands on each wing and one on the tail . Everyone knows ...
... example , all our various breeds of fancy pigeons are undoubtedly descended from the wild Blue Rock , " which is chiefly characterised by its blue colour , and by having two black bands on each wing and one on the tail . Everyone knows ...
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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