Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina 8
... regarded as organisms , or organisms as particular kinds of societies , 2 1 Invention is frequently a combination of several imitations . When a society is formed , its characters are not necessarily borrowed from those societies from ...
... regarded as organisms , or organisms as particular kinds of societies , 2 1 Invention is frequently a combination of several imitations . When a society is formed , its characters are not necessarily borrowed from those societies from ...
Pagina 11
... regarded as an intermediate condition between an individual and a society . No known society has passed through a colonial stage , and the members of a colony could not , on separating , become a society . Among the simplest aggregates ...
... regarded as an intermediate condition between an individual and a society . No known society has passed through a colonial stage , and the members of a colony could not , on separating , become a society . Among the simplest aggregates ...
Pagina 13
... regarded as a distinct species - some kind of worm . At first sight , then , the hectocotyle seems to be an individual . This , however , is not the case , as it reproduces , not a hectocotyle but a cephalopod . Many Echinoderms , by a ...
... regarded as a distinct species - some kind of worm . At first sight , then , the hectocotyle seems to be an individual . This , however , is not the case , as it reproduces , not a hectocotyle but a cephalopod . Many Echinoderms , by a ...
Pagina 15
... regarded as are the United States of America , as the organs of an an organism in process of formation ? These few examples suffice to show 1 When two organs are united into one whole , the cell exercises two totally different functions ...
... regarded as are the United States of America , as the organs of an an organism in process of formation ? These few examples suffice to show 1 When two organs are united into one whole , the cell exercises two totally different functions ...
Pagina 25
... regarded from a physiological , as well as from an anatomical standpoint , 1 but , in the former case , evolution is less a set of changes of function than an increasing specialization and division of labour , and under these ...
... regarded from a physiological , as well as from an anatomical standpoint , 1 but , in the former case , evolution is less a set of changes of function than an increasing specialization and division of labour , and under these ...
Alte ediții - Afișează-le pe toate
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Evolution by Atrophy in Biology and Sociology Jean Demoor,Jean Massart,Emile Vandervelde Vizualizare completă - 1899 |
Termeni și expresii frecvente
adult ancestral stages animals antheridia apical leaves appear appendages aquatic Archaeopteryx assimilative atrophy basilar leaves became become belonging bipinnated blade branches calcaneum canal cells characters chlorophyll collective property colony complete condition consists corporations Crustacea custom degeneration degenerative evolution digits disappeared embryo endopodite epipod exhibited existence exopodite female feudal floating leaves flowers foliage leaves formation formed function gland Huxley hypopod Illustrations individual instance institutions intercentrum land larval Lathyrus Aphaca leaf leaflets limbs male mammals marriage masuirs maxillipede mesonephros metatarsals modern modification muscles normal original pairs petiole phalanges pineal eye plants podite primitive Professor progressive evolution pronephros prothallus protopodite pr reduced regarded remain represent retracing Rosa rugosa rudimentary organs segment sepal slow-worm social societies sociology species stamens stem stipules stomata structure survival tarsius tendrils terminal thalamencephalon third tion traces transformation undergone useless vertebral column vertebrates vestiges wings
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