Studies in History of Biology, Выпуск 3William R. Coleman, Camille Limoges Johns Hopkins University Press, 1979 |
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Стр. 149
... reproduction in terms of a continuity in the progeny of the primary germ cell revealed only a similarity in the various modes of reproduction . With special reference to the life cycle of the cercaria , but also with application to all ...
... reproduction in terms of a continuity in the progeny of the primary germ cell revealed only a similarity in the various modes of reproduction . With special reference to the life cycle of the cercaria , but also with application to all ...
Стр. 160
... reproduction . " Leuckart recognized two distinct patterns of alternation . In the first , the Ammen were morphologically almost similar to the sexually - reproducing female , as in the case with aphids , the trematode Gyrodactylus ...
... reproduction . " Leuckart recognized two distinct patterns of alternation . In the first , the Ammen were morphologically almost similar to the sexually - reproducing female , as in the case with aphids , the trematode Gyrodactylus ...
Стр. 167
... reproduction of most organisms , but for no reason other than the economy of nature and the division of labor . If the spectrum of reproductive possibilities simply harmonized with Milne - Edwards's biological aspirations , it was ...
... reproduction of most organisms , but for no reason other than the economy of nature and the division of labor . If the spectrum of reproductive possibilities simply harmonized with Milne - Edwards's biological aspirations , it was ...
Содержание
The Vicissitudes | 23 |
Animal Heat as a Biological | 67 |
Louis Agassiz and the Species Question MARY PICKARD WINSOR | 89 |
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acquired characters Agassiz animal heat appeared asexual believed Bergmann Bergmann's Rule biological biologists breeding catastrophists cells century Charles Darwin concept Darwin Darwinian discussion Dobzhansky Ernst Mayr Essay eugenics evidence evolution evolutionary Ewart experimental experimentalists experiments explain F. B. Sumner fact factors fertilization fish forms gene pool geneticists genotype genotype-phenotype distinction genus geographic isolation geographical races geology Göttingen hereditary heredity homoiotherms Ibid ideas important individual inheritance of acquired Johannsen's Journal Kol'tsov Leuckart Lord Morton's Louis Agassiz Lyell male Mayr's Mendel mutations natural populations natural selection naturalists offspring organism Origin of Species Owen parthenogenesis Peromyscus phenomenon phenotype phyletic physiology plants population genetics principle problem produced published role scientific Scripps sexual reproduction Siebold Soviet specimens spermatozoa Steenstrup subspecies sympatric speciation systematics taxonomic telegony temperature term gene fund term gene pool theory tion uniformitarianism University variability variations Wagner Wärmeökonomie Weismann Zoology