Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Результати 1-5 із 14
Сторінка 15
... infertility . " SOCIAL EVOLUTION The principle of Selection was divided by Mr. Darwin into natural selection and selection by man ; and Introduction 15 Physiological selection Social evolution The object of organic evolution DARWINISM ...
... infertility . " SOCIAL EVOLUTION The principle of Selection was divided by Mr. Darwin into natural selection and selection by man ; and Introduction 15 Physiological selection Social evolution The object of organic evolution DARWINISM ...
Сторінка 31
... infertility , partial or complete , were supposed to prove that the individuals had descended from separate stocks , and , consequently , belonged to different species . It was known that in some cases very dissimilar individuals had to ...
... infertility , partial or complete , were supposed to prove that the individuals had descended from separate stocks , and , consequently , belonged to different species . It was known that in some cases very dissimilar individuals had to ...
Сторінка 33
... infertile with any individuals outside . Fleming , in his Philosophy of Zoology , published in 1822 , says : " The term ' species ' is universally employed to characterise a group consisting of individuals possessing the greatest number ...
... infertile with any individuals outside . Fleming , in his Philosophy of Zoology , published in 1822 , says : " The term ' species ' is universally employed to characterise a group consisting of individuals possessing the greatest number ...
Сторінка 102
... fertility between individuals of different species is rare , and that nearly all are absolutely infertile . No matter what the characters may be which distinguish the species - whether it be form or 102 Darwinism and Lamarckism.
... fertility between individuals of different species is rare , and that nearly all are absolutely infertile . No matter what the characters may be which distinguish the species - whether it be form or 102 Darwinism and Lamarckism.
Сторінка 103
... infertility is almost always present ; and of all the innumer- able differences which separate species , it alone is constant , or nearly so . In my former lecture I pointed out that Darwin had shown that sterility between species was ...
... infertility is almost always present ; and of all the innumer- able differences which separate species , it alone is constant , or nearly so . In my former lecture I pointed out that Darwin had shown that sterility between species was ...
Інші видання - Показати все
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