Life on the Earth: Its Origin and SuccessionMacmillan and Company, 1860 - Всего страниц: 224 |
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... Variety of the Forms of Life in Successive Periods 59 Origin of Life on the Earth · 67 Earliest Systems of Life 70 Successive Systems of Marine Invertebral Life . Changes of Marine Animals with Elapsed Time Freshwater Life 81 84 109 ...
... Variety of the Forms of Life in Successive Periods 59 Origin of Life on the Earth · 67 Earliest Systems of Life 70 Successive Systems of Marine Invertebral Life . Changes of Marine Animals with Elapsed Time Freshwater Life 81 84 109 ...
Стр. 7
... coupled with the almost equal depend- ence of all vegetative life upon the same atmosphere chemically everywhere almost identical . Upon this vast variety of plants , innumerable hosts of herbivo- rous LIFE ON THE EARTH . 7.
... coupled with the almost equal depend- ence of all vegetative life upon the same atmosphere chemically everywhere almost identical . Upon this vast variety of plants , innumerable hosts of herbivo- rous LIFE ON THE EARTH . 7.
Стр. 8
Its Origin and Succession John Phillips. vast variety of plants , innumerable hosts of herbivo- rous animals feed , and they minister to the appetites of the Carnivora . It is conceivable that while the plants remain unchanged , the ...
Its Origin and Succession John Phillips. vast variety of plants , innumerable hosts of herbivo- rous animals feed , and they minister to the appetites of the Carnivora . It is conceivable that while the plants remain unchanged , the ...
Стр. 16
... their greatest effect , here. 1 The Space in this direction is proportionate to the Variety of Life . Lichens . Rhododendra . Pines . Amentaceæ . Wheat . Vines . Myrtles . Tree Ferns . Palms . SEA LEVEL . FIG . 2 , to face p . 17 .
... their greatest effect , here. 1 The Space in this direction is proportionate to the Variety of Life . Lichens . Rhododendra . Pines . Amentaceæ . Wheat . Vines . Myrtles . Tree Ferns . Palms . SEA LEVEL . FIG . 2 , to face p . 17 .
Стр. 26
... variety of ways to suit appointed habits of life . The general characters of agreement we often call typical , the special characters of difference are often called adaptive - terms which imply the recognition of law and modification ...
... variety of ways to suit appointed habits of life . The general characters of agreement we often call typical , the special characters of difference are often called adaptive - terms which imply the recognition of law and modification ...
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affinity ages Ammonites Amorphozoa ancient Annelida appear atmosphere beds Brachiopoda British BROOKE FOSS WESTCOTT Carbon Carboniferous Cenozoic Cenozoic Strata Cephalopoda Cetacea Chalk classes Clay climate cloth creation Cretaceous Crocodilia Crown 8vo Crustacea deposits Dimyaria distribution earlier earliest earth Echinodermata effect English epoch equal examples existing Fcap Fishes forms fossil freshwater Gasteropoda genera genus geological gilt leaves globe Goniatites groups heat History hypothesis Insects land Lias limestone limited Lingula living Llandeilo Mammalia marine mean temperature Mesozoic Mesozoic Period modern Oceans Mollusca Monomyaria naturalists nature number of species occur Oolitic organic origin Paleozoic Paleozoic Strata perhaps phenomena plants and animals Polyzoa prevalent Professor races recent regard remarkable Reptiles rivers rocks Royal 16mo Second Edition sediments Sermons shells shew Silurian Stonesfield Strata structure succession suppose surface Teleosaurus thickness tion traced University of Cambridge Upper variations vegetable whole zone Zoophyta وو
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Стр. 202 - As all the living forms of life are the lineal descendants of those which lived long before the Cambrian epoch, we may feel certain that the ordinary succession by generation has never once been broken, and that no cataclysm has desolated the whole world.
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Стр. 203 - 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.
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Стр. 9 - Characteristics of the Gospel Miracles. Sermons preached before the University of Cambridge. With Notes. Crown 8vo. 4s. 6d. Introduction to the Study of the Four Gospels. Third Edition. Crown 8vo.
Стр. 202 - Therefore I should infer from analogy that probably all the organic beings which have ever lived on this earth, have descended from some one primordial form, into which life was first breathed.
Стр. 201 - I formerly entertained, namely, that each species has been independently created, is erroneous. I am fully convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct species, in the same manner as the acknowledged varieties of any one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the main, but not exclusive, means of modification.
Стр. 201 - I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number.
Стр. 203 - It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth...
Стр. 186 - The intermixture of distinct species is guarded against by the aversion of the individuals composing them to sexual union, or by the sterility of the mule offspring. It does not appear that true hybrid races have ever been perpetuated for several generations, even by the assistance of man; for the cases usually cited relate to the crossing of mules with individuals of pure species, and not to the intermixture of hybrid with hybrid.