Human Variation in Space and TimeW. C. Brown Company, 1976 - 88 Seiten |
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Seite 32
... single cause of adaptive success in different environmental settings , it seemed reasonable to Wells that various physical traits , including the pigmentation of the skin , must have adaptive significance in guarantee- ing survival of ...
... single cause of adaptive success in different environmental settings , it seemed reasonable to Wells that various physical traits , including the pigmentation of the skin , must have adaptive significance in guarantee- ing survival of ...
Seite 52
... single ovum ( female gamete ) fertilized by a single sperm cell ( male gamete ) . Differ- ences in identical twins are due to nongenetic factors . So - called fraternal twins are offspring conceived simultaneously when two different ova ...
... single ovum ( female gamete ) fertilized by a single sperm cell ( male gamete ) . Differ- ences in identical twins are due to nongenetic factors . So - called fraternal twins are offspring conceived simultaneously when two different ova ...
Seite 62
... single species today given separate but parallel evolutionary lines , Weid- enreich and Coon have answered that repro- ductive isolation never became so complete as to provide the opportunity for speciation to have taken place . Other ...
... single species today given separate but parallel evolutionary lines , Weid- enreich and Coon have answered that repro- ductive isolation never became so complete as to provide the opportunity for speciation to have taken place . Other ...
Inhalt
Of Men and Monsters | 5 |
Development of the Race Concept | 23 |
Evolution of Ancient and Living Populations | 48 |
Urheberrecht | |
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Häufige Begriffe und Wortgruppen
adaptive Africa anatomical Ancient and Living animals anthro anthropologists anthropometric antiquity areas Aryan Ashley Montagu Asia behavior biological variations biologists Bushmen called cell century A.D. chromosomes contemporary cranial creatures cultural Darwin descendants earlier early environmental ethnocentric Europe European Evolution of Ancient evolutionary fossil gametes gene flow gene pool genetic genetic drift geographical Greek habitat Homo erectus Homo sapiens human diversity human groups human populations human variation idea individuals Linnaeus Living Populations living things London man's biological mankind ment Mesolithic migration modern monogenesis mutation native Americans natural selection Neanderthals Neolithic organisms Origin of Species origins phenotypic phenotypic characters physical Pleistocene polygenesis polygenic prehistoric Prichard race concept race formation racial classifications racism scientific skeletal social species specimens study of human subspecies survival taxonomy term race theory thousand years ago tion traits trans tribes ulations uniformitarian University variability writers York