Evolution by Atrophy in Biology and SociologyD. Appleton, 1899 - 316 pagini |
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Pagina
... species ( limbs ) . 41 Limbs adapted to an aquatic life ( Ceratodus , Ortha- canthus , Protopterus amphibius , Protopterus annec- tens , Lepidosiren Limbs adapted to a terrestrial life ** 43 43 PAGE 1. Adaptation to walking on two legs ...
... species ( limbs ) . 41 Limbs adapted to an aquatic life ( Ceratodus , Ortha- canthus , Protopterus amphibius , Protopterus annec- tens , Lepidosiren Limbs adapted to a terrestrial life ** 43 43 PAGE 1. Adaptation to walking on two legs ...
Pagina
... species ( foliage leaves ) 1. Adaptation to climbing ( Cobaeca scandens , Vicia pyrenaica , Cucumis sativus ) . 2. Adaptation to carnivorous nutrition ( Utricularia , Nepenthes , Drosera ) . 3. Adaptation to an aquatic life ( Sagit ...
... species ( foliage leaves ) 1. Adaptation to climbing ( Cobaeca scandens , Vicia pyrenaica , Cucumis sativus ) . 2. Adaptation to carnivorous nutrition ( Utricularia , Nepenthes , Drosera ) . 3. Adaptation to an aquatic life ( Sagit ...
Pagina 11
... species of Echinoderms . The egg is a typical cell , an organism , an individual . All its parts are essential to it , and are incapable of separate existence , at any rate for any length of time ; close physiological bonds unite the ...
... species of Echinoderms . The egg is a typical cell , an organism , an individual . All its parts are essential to it , and are incapable of separate existence , at any rate for any length of time ; close physiological bonds unite the ...
Pagina 13
... 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 spontaneous act of ...
... 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 spontaneous act of ...
Pagina 30
... species , under normal or abnormal conditions . SECTION I. Transformation of organs of animals . § 2. Transformation of homodynamic organs in the individual . In order to study the degenerative evolution exhibited in the specific ...
... species , under normal or abnormal conditions . SECTION I. Transformation of organs of animals . § 2. Transformation of homodynamic organs in the individual . In order to study the degenerative evolution exhibited in the specific ...
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