The Doctrine of Descent and DarwinismD. Appleton and Company, 1875 - Всего страниц: 334 |
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Стр. 24
... plant and the animal . Poetically regarded , the plant is the 24 THE DOCTRINE OF DESCENT . THE ANIMAL WORLD IN ITS PRESENT STATE •
... plant and the animal . Poetically regarded , the plant is the 24 THE DOCTRINE OF DESCENT . THE ANIMAL WORLD IN ITS PRESENT STATE •
Стр. 25
... plant is the passive organism as described by Rückert : " I am the garden flower And meekly bide the hour , The guise ... plants and animals . We gain the conviction that the roots of the vegetal . and animal kingdoms are not completely ...
... plant is the passive organism as described by Rückert : " I am the garden flower And meekly bide the hour , The guise ... plants and animals . We gain the conviction that the roots of the vegetal . and animal kingdoms are not completely ...
Стр. 27
... plants as well as in animals ; and plants and animals must now be regarded as two classes of organisms , in which the processes of self - preservation and reproduction have , in different ways , assumed the character of a higher com ...
... plants as well as in animals ; and plants and animals must now be regarded as two classes of organisms , in which the processes of self - preservation and reproduction have , in different ways , assumed the character of a higher com ...
Стр. 28
... plant , is a hollow cylinder , of which the body - wall is formed of two layers of cells , a layer of muscles , and a supporting membrane , which gives consistency to the whole , and may be compared to a skeleton . The mouth is sur ...
... plant , is a hollow cylinder , of which the body - wall is formed of two layers of cells , a layer of muscles , and a supporting membrane , which gives consistency to the whole , and may be compared to a skeleton . The mouth is sur ...
Стр. 36
... plants and animals , they would have first established the diagnoses and distinctive cha- racters , and then called to life the types and their species ; for their chief torment has been , that the diagnoses are liable to so many ...
... plants and animals , they would have first established the diagnoses and distinctive cha- racters , and then called to life the types and their species ; for their chief torment has been , that the diagnoses are liable to so many ...
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according adaptation already Ammonites Amphibians animal world apes appearance Ascidian become birds brain carboniferous causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryonic Eocene exhibit existence external facts families fauna fish formation fossil Ganoids Gastrula genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer Insectivora intermediate forms islands lancelet language larva larvæ likewise linguistic lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observation Oolite organisms origin peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races relations remains reproduction reptiles resemblance Rütimeyer says scarcely scientific separate sexual Silurian skull species strata structure systematic terrestrial animals Tertiary theory of selection tion transformation transition true Ungulata Ungulates varieties vertebral column Vertebrata vertebrate animals whole
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Стр. 162 - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.18 Darwin always knew that his views would be controversial. A few days before The Origin of Species appeared, Darwin wrote, in a letter to Wallace, 'God knows what...
Стр. 160 - Na'geli on plants, and the remarks by various authors with respect to animals, more especially those recently made by Professor Broca, that in the earlier editions of my Origin of Species I perhaps attributed too much to the action of natural selection or the survival of the fittest.