Footnotes to Evolution: A Series of Popular Addresses on the Evolution of LifeD. Appleton, 1907 - 392 pagini |
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Pagina xiv
... The measure of a man . Nature of sanity . The infinite understanding . The test of truth . The matter philosophy deals with . 334 Protyl . Religion and belief . Haeckel's Confession of Faith xiv FOOT - NOTES TO EVOLUTION .
... The measure of a man . Nature of sanity . The infinite understanding . The test of truth . The matter philosophy deals with . 334 Protyl . Religion and belief . Haeckel's Confession of Faith xiv FOOT - NOTES TO EVOLUTION .
Pagina 5
... matter of fact that life exists on the earth , which was once lifeless . How the first organism came to be we can not even guess . By what clashing of elements the vital spark came forth , and whether like causes can or do still produce ...
... matter of fact that life exists on the earth , which was once lifeless . How the first organism came to be we can not even guess . By what clashing of elements the vital spark came forth , and whether like causes can or do still produce ...
Pagina 18
... matter how small , must be a help in its life struggle . This advantage inherited becomes the gain of the species . The various influences connected with this struggle were summed up in the comprehensive term of " natural selection ...
... matter how small , must be a help in its life struggle . This advantage inherited becomes the gain of the species . The various influences connected with this struggle were summed up in the comprehensive term of " natural selection ...
Pagina 24
... matter of colour . In the South , where the ground is mostly free from snow , even in winter , whiteness would be of no sort of advantage to a rabbit . The nearer the animal is in colour to the dead grass and dried leaves about him ...
... matter of colour . In the South , where the ground is mostly free from snow , even in winter , whiteness would be of no sort of advantage to a rabbit . The nearer the animal is in colour to the dead grass and dried leaves about him ...
Pagina 40
... matter was allowed to rest until new evidence should be found . It came in 1864. In that year Pro- fessor Cope found the remains of certain reptiles in the rocks of Texas which he , not being aware of the em- bryological problem ...
... matter was allowed to rest until new evidence should be found . It came in 1864. In that year Pro- fessor Cope found the remains of certain reptiles in the rocks of Texas which he , not being aware of the em- bryological problem ...
Alte ediții - Afișează-le pe toate
Footnotes to Evolution: A Series of Popular Addresses on the Evolution of Life David Starr Jordan Vizualizare completă - 1898 |
Footnotes to Evolution: A Series of Popular Addresses on the Evolution of Life David Starr Jordan Vizualizare completă - 1919 |
Footnotes to Evolution: A Series of Popular Addresses on the Evolution of Life David Starr Jordan Vizualizare completă - 1898 |
Termeni și expresii frecvente
acquired characters action adaptation adult altruism ammonites ancestors animals become birds blood body Brachiopoda causes centrosome chromatin chromosomes colony competition concessions conjugation creatures Crustacea cytoplasm Darwin degeneration degree descendants division egg cell elements embryo environment evidence extrinsic fact factors fauna fish fittest force forms function genera germ cell germinal growth hereditary heredity homology human increase individual influence inheritance knowledge larvæ larval less living mammals ment monism mother natural selection naturalists never nucleus ontogeny organic evolution paleontologist Pandorina parent peculiarities phenomena philosophy phylogeny plants possible produced progress protaspis protoconch protoplasm protozoa rabbit race recognised relations reproductive Richard Roe Sacculina says sense shore larks shown simple somatic species sperm stages structure struggle for existence survival tetrads theory things tion tissues trilobites truth ture variation vertebræ Weismann whorl words zygote
Pasaje populare
Pagina 29 - 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.
Pagina 29 - To my mind it accords better with what we know of the laws impressed on matter by the Creator, that the production and extinction of the past and present inhabitants of the world should have been due to secondary causes, like those determining the birth and death of the individual.
Pagina 1 - It is the doctrine of Malthus applied with manifold force to the whole animal and vegetable kingdoms; for in this case there can be no artificial increase of food, and no prudential restraint for marriage.
Pagina xvii - Two canine animals, in a time of dearth, may be truly said to struggle with each other which shall get food and live. But a plant on the edge of a desert is said to struggle for life against the drought, though more properly it should be said to be dependent on the moisture.
Pagina 226 - ... of each and all of us is to try to make the little corner he can influence somewhat less miserable and somewhat less ignorant than it was before he entered it. To do this effectually it is necessary to be fully possessed of only two beliefs: the first, that the order of nature is ascertainable by our faculties to an extent which is practically unlimited; the second, that our volition counts for something as a condition of the course of events.
Pagina 226 - We live in a world which is full of misery and ignorance, and the plain duty of each and all of us is to try to make the little corner he can influence somewhat less miserable and somewhat less ignorant than it was before he entered it.
Pagina 1 - There is no exception to the rule that every organic being naturally increases at so high a rate that, if not destroyed, the earth would soon be covered by the progeny of a single pair.
Pagina 66 - It is good to make two blades of grass grow where only one grew before.
Pagina 293 - Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo, 5*.
Pagina 165 - That lay in the house that Jack built. This is the cow with the crumpled horn, That tossed the dog, That worried the cat, That killed the rat, That ate the malt, That lay in the house that Jack built.