Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina 3
... Philadelphia . $ 2.00 . 58. WEATHER . A Popular Exposition of the Nature of Weather Changes from Day to Day . With 96 Diagrams . By Hon . RALPH ABERCROMBY . $ 1.75 . The International Scientific Series .- ( Continued . ) 59.
... Philadelphia . $ 2.00 . 58. WEATHER . A Popular Exposition of the Nature of Weather Changes from Day to Day . With 96 Diagrams . By Hon . RALPH ABERCROMBY . $ 1.75 . The International Scientific Series .- ( Continued . ) 59.
Pagina 7
... change in terminology between biology and sociology ; societies have been called organisms , and organisms societies of cells . There is an actual division of labour among the organs of a living body , while institutions have been ...
... change in terminology between biology and sociology ; societies have been called organisms , and organisms societies of cells . There is an actual division of labour among the organs of a living body , while institutions have been ...
Pagina 11
... change of nutriment goes on incessantly among these cells . This is what Spencer designates as a " physiological contract . " Societies , on the other hand , consist of units springing from various sources , whose connection is merely ...
... change of nutriment goes on incessantly among these cells . This is what Spencer designates as a " physiological contract . " Societies , on the other hand , consist of units springing from various sources , whose connection is merely ...
Pagina 21
... changes undergone by an organism or society independently of the ques- tion as to whether these changes are favourable or otherwise . The evolution of an organ , or of the different parts of an organ , is degenerative if it tends to the ...
... changes undergone by an organism or society independently of the ques- tion as to whether these changes are favourable or otherwise . The evolution of an organ , or of the different parts of an organ , is degenerative if it tends to the ...
Pagina 25
... changes of function than an increasing specialization and division of labour , and under these circumstances it is often diffi- cult to recognize a degenerative element in the evolu- tion . A few examples will demonstrate this point ...
... changes of function than an increasing specialization and division of labour , and under these circumstances it is often diffi- cult to recognize a degenerative element in the evolu- tion . A few examples will demonstrate this point ...
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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