The Evolution of the Earth and Its Inhabitants: A Series of Lectures Delivered Before the Yale Chapter of the Sigma Xi During the Academic Year 1916-1917Yale University Press, 1918 - Всего страниц: 208 Preface, by R.S. Lull.--The origin of the earth, by J. Barrell.--The earth's changing surface and climate, by C. Schuchert.--The origin of life, by L.L. Woodruff.--The pulse of life, by R.S. Lull.--Climate and evolution of civilization, by E. Huntington.--Index. |
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Стр. 10
... importance to it . Neverthe- less , it became the dominant idea in cosmic evolution through- out the next century . Laplace postulated an original nebula as a very hot , gaseous mass extending beyond the orbit of the farthest planet and ...
... importance to it . Neverthe- less , it became the dominant idea in cosmic evolution through- out the next century . Laplace postulated an original nebula as a very hot , gaseous mass extending beyond the orbit of the farthest planet and ...
Стр. 24
... gathering up of the planetesimal material scattered over the zone between adjacent planets . This third factor , in Chamberlin's view , is regarded as very important and he believes this diffused matter 24 EVOLUTION OF THE EARTH.
... gathering up of the planetesimal material scattered over the zone between adjacent planets . This third factor , in Chamberlin's view , is regarded as very important and he believes this diffused matter 24 EVOLUTION OF THE EARTH.
Стр. 25
... important and he believes this diffused matter contributed much of the earth substance , very slowly and in a dust - like form . This is one of the critical points in the details of the theory upon which turns much of the development of ...
... important and he believes this diffused matter contributed much of the earth substance , very slowly and in a dust - like form . This is one of the critical points in the details of the theory upon which turns much of the development of ...
Стр. 29
... important factor in planetary history must then be chiefly due to a body tide . In so far as there is a mere elastic yielding of the body no energy 5 MacMillan , W. D. , " On the Loss of Energy by Friction of the Tides . " In " The ...
... important factor in planetary history must then be chiefly due to a body tide . In so far as there is a mere elastic yielding of the body no energy 5 MacMillan , W. D. , " On the Loss of Energy by Friction of the Tides . " In " The ...
Стр. 34
... importance by carbon dioxide and carbon monoxide , chlorine and hydrochloric acid , with some nitrogen , but no free oxygen . The present atmosphere of nitrogen and oxygen penetrates by solution into the liquid envelope of water . The ...
... importance by carbon dioxide and carbon monoxide , chlorine and hydrochloric acid , with some nitrogen , but no free oxygen . The present atmosphere of nitrogen and oxygen penetrates by solution into the liquid envelope of water . The ...
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active animals appears Archeozoic areas aridity Asia atmosphere average body Cacops California carbon dioxide Cenozoic cent chemical chordate civilization climatic changes complex continental continental platforms continents Cretaceous crust cynodonts deaths density developed Devonian diameter dinosaurs early earth earth-growth elements energy environment Eocene erosion evidence evolution existence fact Figure forms fossil geologic geologists glacial granite greater habitat heat higher humidity hypothesis igneous rocks increase invertebrate known lands less limestones lithosphere living matter magma mammals marine mass material resources mental Mesozoic miles million Miocene molten moon nature nitrogen normal North America ocean basins orbits organisms origin outer Paleozoic period Permian planetesimal planetoids planets present primates probably proteins Proterozoic protoplasm rainfall record regions relation reptiles result RICHARD SWANN LULL rise rotation sedimentary sediments Silurian solar system spiral nebula stars surface temperature terrestrial theory thickness tidal forces tion Triassic tropical variability vertebrates Yale zone
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Стр. 108 - It is interesting to contemplate a tangled 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. 108 - 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.
Стр. 107 - But expectation is permissible where belief is not ; and if it were given me to look beyond the abyss of geologically recorded time to the still more remote period when the earth was passing through physical and chemical conditions, which it can no more see again than a man can recall his infancy, I should expect to be a witness of the evolution of living protoplasm from not living matter.
Стр. 107 - ... may not, some day, be artificially brought together. All I feel justified in affirming is, that I see no reason for believing that the feat has been performed yet. And, looking back through the prodigious vista of the past, I find no record of the commencement of life, and therefore I am devoid of any means of forming a definite conclusion as to the conditions of its appearance. Belief, in the scientific sense of the word, is a serious matter, and needs strong foundations. To say, therefore,...
Стр. 94 - ... the study of the cell has on the whole seemed to widen rather than to narrow the enormous gap that separates even the lowest forms of life from the inorganic world.
Стр. 86 - is a definite combination of heterogeneous changes, both simultaneous and successive, in correspondence with external coexistences and sequences.
Стр. 14 - as if the bodies attracted each other directly as their masses and inversely as the square of their distance apart. As to knowing why this is so, I cannot tell.
Стр. 101 - It may then be summed up as a general law universal in its application to all matter, although varying in intensity in different types of matter, and holding throughout all space as generally as the law of gravitation — a law which might be called the Law of Complexity — that matter so far as its energy environment will permit tends to assume more and more complex forms in labile equilibrium.
Стр. 90 - So he may doubt whether in cheese and timber, worms are generated ; or if beetles and wasps in cow's dung ; or if butter-flies, locusts, grasshoppers, shell-fish, snails, eels, and such like, be procreated of putrified matters, which is apt to receive the form of that creature to which it is by formative power disposed. To question this, is to question reason, sense, and experience. If he doubts of this, let him go to Egypt, and there he will find the fields swarming with mice begot of the mud of...
Стр. 88 - The properties of matter and the course of cosmic evolution are now seen to be intimately related to the structure of the living being and to its activities; they become, therefore, far more important in biology than has been previously suspected. For the whole evolutionary process, both cosmic and organic, is one, and the biologist may now rightly regard the universe in its very essence as biocentric.