Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 2
... adapted to survive . " -1958 This , which was published in 1859 , is strictly correct at the present day . The confusion In 1899 things are different . just alluded to has much increased . Conceptions totally irrelevant to Darwinism ...
... adapted to survive . " -1958 This , which was published in 1859 , is strictly correct at the present day . The confusion In 1899 things are different . just alluded to has much increased . Conceptions totally irrelevant to Darwinism ...
Сторінка 107
... adapted organisms ; and thus new places in the natural economy of a country are left open for the old inhabitants to struggle for , and be- come adapted to , through modifications in their structure and constitution . " Again he says ...
... adapted organisms ; and thus new places in the natural economy of a country are left open for the old inhabitants to struggle for , and be- come adapted to , through modifications in their structure and constitution . " Again he says ...
Сторінка 123
... adapted to their surroundings , but simply by force of numbers . It will be noticed that utilitarian characters are not selected , and no definite morphological modification is given to the survivors . Consequently there is no natural ...
... adapted to their surroundings , but simply by force of numbers . It will be noticed that utilitarian characters are not selected , and no definite morphological modification is given to the survivors . Consequently there is no natural ...
Сторінка 144
... the principle of selection is simple . It is that , among two or more competing individuals , the worst adapted to the circum- stances will be the first to succumb . This , 144 DARWINISM IN HUMAN AFFAIRS Physiological evolution.
... the principle of selection is simple . It is that , among two or more competing individuals , the worst adapted to the circum- stances will be the first to succumb . This , 144 DARWINISM IN HUMAN AFFAIRS Physiological evolution.
Сторінка 145
... adapted to the circum- stances will generally survive ; and , by the law of inheritance , the chances are in favour of the offspring inheriting the difference that caused their parents to survive . If we take a sufficiently ΙΟ large ...
... adapted to the circum- stances will generally survive ; and , by the law of inheritance , the chances are in favour of the offspring inheriting the difference that caused their parents to survive . If we take a sufficiently ΙΟ large ...
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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 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