Studies in History of Biology, Выпуск 3William R. Coleman, Camille Limoges Johns Hopkins University Press, 1979 |
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Стр. 38
... Origin , Darwin had demoted the test of sterility from the most important to a " secondary " consideration ( after " trueness or the absence of variability ” ) in his definition of species . ( See Natural Selec- tion [ 1856-58 : 225 ] ...
... Origin , Darwin had demoted the test of sterility from the most important to a " secondary " consideration ( after " trueness or the absence of variability ” ) in his definition of species . ( See Natural Selec- tion [ 1856-58 : 225 ] ...
Стр. 47
... ORIGIN . Darwin's principle of divergence is easily confused with a theory of sympatric speciation as a result of certain abridgments that occurred when Natural Selection was condensed into the Origin of Species . The example of a plant ...
... ORIGIN . Darwin's principle of divergence is easily confused with a theory of sympatric speciation as a result of certain abridgments that occurred when Natural Selection was condensed into the Origin of Species . The example of a plant ...
Стр. 48
... ( Origin , pp . 107-08 , 174 ; Natural Selection , pp . 273-74 ) . Although the Origin of Species may give the impression that Darwin " de - emphasized " spatial isolation compared to his earlier views ( Ghise- lin 1969 : 147-48 ) , it is ...
... ( Origin , pp . 107-08 , 174 ; Natural Selection , pp . 273-74 ) . Although the Origin of Species may give the impression that Darwin " de - emphasized " spatial isolation compared to his earlier views ( Ghise- lin 1969 : 147-48 ) , it is ...
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