Science: v.1-v.219Moses King, 1960 |
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Стр. 970
... selection and that several others had anticipated both Darwin and Wal- lace on some points . It is further true that the concept of natural selection has changed through the years since 1859 and that its major importance has ...
... selection and that several others had anticipated both Darwin and Wal- lace on some points . It is further true that the concept of natural selection has changed through the years since 1859 and that its major importance has ...
Стр. 1311
... selection system used for disruptive selection with 25 percent gene flow . The entries designate the flies chosen to perpetuate each of four female lines in each genera- tion . H indicates the highest , and L the lowest chaeta number ...
... selection system used for disruptive selection with 25 percent gene flow . The entries designate the flies chosen to perpetuate each of four female lines in each genera- tion . H indicates the highest , and L the lowest chaeta number ...
Стр. 1520
... selection . The effects of these two selections , taking place concur- rently but on two different levels , pro- duce results that seem , at first sight , to be anomalies . Ernst Mayr , in “ The emergence of evolutionary novelties ...
... selection . The effects of these two selections , taking place concur- rently but on two different levels , pro- duce results that seem , at first sight , to be anomalies . Ernst Mayr , in “ The emergence of evolutionary novelties ...
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Editorial The Florence Agreement | 957 |
Science in the News Environmental Radiation Studies Begun by Public Health Service in New Mexico | 974 |
Departments New Jersey Academy of Science Forthcoming Events New Products | 994 |
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