Darwinism and Lamarckism, Old and New: Four LecturesDuckworth, 1899 - 169 стор. |
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Сторінка 8
... of the individual ; and consequently they must generally be congenital in origin , although the effects may not show until long after birth . Definite variation is due to the directive force being sufficiently 8 INTRODUCTION.
... of the individual ; and consequently they must generally be congenital in origin , although the effects may not show until long after birth . Definite variation is due to the directive force being sufficiently 8 INTRODUCTION.
Сторінка 14
... consequently they are small and accumulate slowly . But in man the varia- tions are mental ; they can occur at any period of life ; they may be great and sudden , and can be transmitted to large numbers at the same time ; and it is this ...
... consequently they are small and accumulate slowly . But in man the varia- tions are mental ; they can occur at any period of life ; they may be great and sudden , and can be transmitted to large numbers at the same time ; and it is this ...
Сторінка 15
... consequently we can frame a science of history . The process of selection in human affairs is some- times natural selection , but more often it is preferential selection ; for it is generally due to choice , voluntarily exercised , and ...
... consequently we can frame a science of history . The process of selection in human affairs is some- times natural selection , but more often it is preferential selection ; for it is generally due to choice , voluntarily exercised , and ...
Сторінка 23
... consequently never prepared the way for further advance in knowledge , we find in the seventeenth century a general opinion prevailing that each kind of animal and plant had been separ- ately created at the beginning of the world , and ...
... consequently never prepared the way for further advance in knowledge , we find in the seventeenth century a general opinion prevailing that each kind of animal and plant had been separ- ately created at the beginning of the world , and ...
Сторінка 24
... consequently , belonged to different species . It was known that in some cases very dissimilar individuals had to be included in the same species , because a series of links existed graduating one form into the other ; and there were ...
... consequently , belonged to different species . It was known that in some cases very dissimilar individuals had to be included in the same species , because a series of links existed graduating one form into the other ; and there were ...
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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 Ampelopsis animals and plants arise artificial selection become biology birds brought called cause cells colour compensation of growth congenital consequently Cope's rule Darwin definite variation despotism direct action divergent evolution doubt Dr Wallace edition elongated environment evidence example existence explain external conditions extrinsic selection facts favourable flowers G. H. Lewes gemmules genera genus germ-cells groups Henslow hypothesis idea important infertility inherited insects island kinetogenesis Lamarck Lamarckians large number living means mental variations modifications Moritz Wagner movements nation natural selection naturalists Neo-Lamarckians notochord offspring opinions organic evolution organisation Origin of Species Pangenesis Physiogenesis physiological plants and animals principle of compensation principle of selection produced Professor Cope progress Radiolarians reason says science of history seems sociology sterility structure suppose take place theory tion transmission transmitted tribe use-inheritance varieties vertebræ Weismann Zealand