An Introduction to the Study of Social Evolution: The Prehistoric PeriodCentury, 1915 - 306 من الصفحات |
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الصفحة 14
... possess the waltzing trait in the proportion indicated . It does not enable one to make a dogmatic prediction about a small group of brother and sister mice . Figure 6 shows the inheritance of color in which one . color ( red ) does not ...
... possess the waltzing trait in the proportion indicated . It does not enable one to make a dogmatic prediction about a small group of brother and sister mice . Figure 6 shows the inheritance of color in which one . color ( red ) does not ...
الصفحة 21
... possessing greater strength or born under favorable conditions are the ones most likely to live . Hence it is that there tends to be a survival of the fit . to survive . Nature , so to say , selects the best It is a self - evident fact ...
... possessing greater strength or born under favorable conditions are the ones most likely to live . Hence it is that there tends to be a survival of the fit . to survive . Nature , so to say , selects the best It is a self - evident fact ...
الصفحة 26
... possesses it , has a greater chance to sur- vive , and surviving , to transmit it to his offspring . Oc- casionally ... possessing it , that individual will most prob- ably survive while others not possessing the favorable trait ...
... possesses it , has a greater chance to sur- vive , and surviving , to transmit it to his offspring . Oc- casionally ... possessing it , that individual will most prob- ably survive while others not possessing the favorable trait ...
الصفحة 27
... possess it . It was originally acquired or preserved because it was favorable , but some change has been wrought which makes it of indifferent value . On the other hand if any character shows very slight variation as between a large ...
... possess it . It was originally acquired or preserved because it was favorable , but some change has been wrought which makes it of indifferent value . On the other hand if any character shows very slight variation as between a large ...
الصفحة 31
... possessing it advantage in the struggle , that individual is bound to be favored with longer life and larger number of progeny - with survival , in short . But the theory of natural selection proposes to ex- plain only those characters ...
... possessing it advantage in the struggle , that individual is bound to be favored with longer life and larger number of progeny - with survival , in short . But the theory of natural selection proposes to ex- plain only those characters ...
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Acheulian ancestors ancient apes Asia Aurignacian average become Birkner blond Boas body bone Brehon laws cave ceremonies changes character civilization clan climate color culture custom Darwin descent Diagram Diluviale Mensch environment Epoch Europe evidence evolution favorable FIGURE Flint Implements Forrer germ cells Giddings glacial habit hair heredity human Ibid imitation important Indians individual influence inherited Keane living lower Lower Paleolithic Magdalenian marriage Mensch in Europa Metcalf metronymic Mind of Primitive modification Mousterian muscles natural selection Neanderthal Neolithic offspring organization origin parents phratries Pithecanthropus Erectus population possess prehistoric produce Professor Quaternary Races of Europe racial regions savage skull slave social society Sociology soma species spirit spotted chickens stage stature stone age Stone Implements survive tend theory tion totem tradition transition tribal tribes Tylor Upper Paleolithic Urgeschichte des Europäers usages variations White race