ScienceJohn Michels (Journalist) 1955 |
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Стр. 586
... increased background radiation on the process of evolution ( 3 ) . The re- sulting increase in deleterious mutations is viewed as a threat to the forward prog- ress of human evolution . An increase in radiation that causes an increase ...
... increased background radiation on the process of evolution ( 3 ) . The re- sulting increase in deleterious mutations is viewed as a threat to the forward prog- ress of human evolution . An increase in radiation that causes an increase ...
Стр. 816
... increase at the time this happens . The important thing is that the trend be unidirectional and remain in effect for a very long time , so that short - term gains are not wiped out by reversals of one sort or another . Some mechanism ...
... increase at the time this happens . The important thing is that the trend be unidirectional and remain in effect for a very long time , so that short - term gains are not wiped out by reversals of one sort or another . Some mechanism ...
Стр. 832
... increase in numbers and the capacity of the environment to support organisms of that type . All spe- cies are potentially capable of increase beyond the capacity of the environment . The earth , or for that matter , the uni- verse , is ...
... increase in numbers and the capacity of the environment to support organisms of that type . All spe- cies are potentially capable of increase beyond the capacity of the environment . The earth , or for that matter , the uni- verse , is ...
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SIT MINN | 55 |
News of Science New Affiliate of the AAAS Soviet Invitation International Observatory Program | 65 |
Book Reviews Clinical versus Statistical Prediction Pharmacology in Medicine Standard Values | 79 |
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