Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 11
Pagina
... colonies and societies . 3. Communities and societies . 4. Distinc- tive characters of societies of which the members are united by social contract BOOK I UNIVERSALITY OF DEGENERATIVE EVOLUTION PART I. Degeneration in the development of ...
... colonies and societies . 3. Communities and societies . 4. Distinc- tive characters of societies of which the members are united by social contract BOOK I UNIVERSALITY OF DEGENERATIVE EVOLUTION PART I. Degeneration in the development of ...
Pagina 9
... colonies and societies . Our view in this matter is considerably at variance with the current opinion . Many authors , and M. Espinas among them , regard colonies , whether animal or vege- table , as societies , even when the members of ...
... colonies and societies . Our view in this matter is considerably at variance with the current opinion . Many authors , and M. Espinas among them , regard colonies , whether animal or vege- table , as societies , even when the members of ...
Pagina 10
... colonies are entirely distinct from societies . The two are divergent branches which spring from the same source , a solitary indi- vidual . These divergent branches of organic life may be distinguished in the following manner : An ...
... colonies are entirely distinct from societies . The two are divergent branches which spring from the same source , a solitary indi- vidual . These divergent branches of organic life may be distinguished in the following manner : An ...
Pagina 11
... colony . All the cells of this colony spring then from one single cell ( a fertilized egg cell ) , and an inter- change of nutriment goes on incessantly among these cells . This is what Spencer designates as a " physiological contract ...
... colony . All the cells of this colony spring then from one single cell ( a fertilized egg cell ) , and an inter- change of nutriment goes on incessantly among these cells . This is what Spencer designates as a " physiological contract ...
Pagina 12
... colony may disintegrate , but the cells or indi- viduals set at liberty are capable of living alone , and do not form a society.1 As the organisation of a colony becomes more complicated , the units proceed to differentiate . Each one ...
... colony may disintegrate , but the cells or indi- viduals set at liberty are capable of living alone , and do not form a society.1 As the organisation of a colony becomes more complicated , the units proceed to differentiate . Each one ...
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
abdominal adaptation to arboreal adult ancestral animal apical leaves appendages aquatic Archaeopteryx assimilative Astacus Astacus fluviatilis atrophy basilar leaves basipodite become biology bipinnated blade branches calcaneum cells characters chlorophyll Choanoflagellates claw collective property colony communities complete condition consists Crustacea custom degenerative evolution digits disappeared Dollo Echinoderms embryology endopodite epipod exhibited existence exopodite ex female fins five-toed floating leaves flowers foliage leaves formed function gill Heterocephalus Huxley hypopod instance institutions joint land larvæ Lathyrus Aphaca leaf leaflets limbs male mammals marriage maxillipede membrane mesonephros metameres metatarsals modification normal origin pairs petiole phalanges physiological pineal eye plants podite primitive progressive protopodite pr Ranunculus reduced regarded remain represented result rods Rosa rugosa rudimentary organs segment social societies sociology species stages stamens stem stipules stomata structure survival tarsius tendrils terrestrial thalamencephalon third tion transformation undergone useless vertebrates vestiges walking legs
Pasaje populare
Pagina 326 - XI. ANIMAL MECHANISM : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo. price 5*. XII. THE DOCTRINE OF DESCENT AND DARWINISM. By Professor Oscar Schmidt. With 26 Illustrations. Fourth Edition. Crown 8vo. price 5*. XIII. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCIENCE. By JW Draper, MD, LL.D. Fifteenth Edition. Crown 8vo. price 5*. XIV. FUNGI: their Nature, Influences Uses, &c.
Pagina 326 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Pagina 326 - XI. Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo, $s. XII. The Doctrine of Descent and Darwinism. By Professor Oscar Schmidt. With 26 Illustrations. Fifth Edition. Crown 8vo, 5*.
Pagina 82 - A plant of Drosera, with the edges of its leaves curled inwards, so as to form a temporary stomach, with the glands of the closely inflected tentacles pouring forth their acid secretion, which dissolves animal matter, afterwards to be absorbed, may be said to feed like an animal.
Pagina 326 - Edition. II. PHYSICS and POLITICS ; or, Thoughts on the Application of the Principles of ' Natural Selection ' and ' Inheritance