The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة xv
... Characters 306 The Germ Cell 306 The Gene 307 Linked Characters 308 Mutants 311 Sex Linkage 312 Inheritance of Acquired Characters 313 External Influences on the Germ Cell 315 Heredity and Environment 318 Biometrics 320 CHAPTER PAGE XII ...
... Characters 306 The Germ Cell 306 The Gene 307 Linked Characters 308 Mutants 311 Sex Linkage 312 Inheritance of Acquired Characters 313 External Influences on the Germ Cell 315 Heredity and Environment 318 Biometrics 320 CHAPTER PAGE XII ...
الصفحة 24
... character varies with their composition 3. Shales which are consolidated mud Regions underlain by shale are usually low and flat like the " Black Belt " of Alabama and the Mohawk Valley . The metamorphic rocks resulting from the above ...
... character varies with their composition 3. Shales which are consolidated mud Regions underlain by shale are usually low and flat like the " Black Belt " of Alabama and the Mohawk Valley . The metamorphic rocks resulting from the above ...
الصفحة 25
... characters both as regards structure and chemical content . The particles of which they are composed will vary in size from the dust which forms clay to coarse gravel . Dis- regarding their water content they range in weight from peat ...
... characters both as regards structure and chemical content . The particles of which they are composed will vary in size from the dust which forms clay to coarse gravel . Dis- regarding their water content they range in weight from peat ...
الصفحة 32
... character- istics of this original protoplasm . The colloids have large molecules but the colloid is far from being an organism . On the other hand the lowest organisms we know are far too complicated to have been the first living ...
... character- istics of this original protoplasm . The colloids have large molecules but the colloid is far from being an organism . On the other hand the lowest organisms we know are far too complicated to have been the first living ...
الصفحة 39
... character of the rela- tionship between physical environment and organisms . Man has long known that organisms not only existed but made things which he could not reproduce and which were never found in nature apart from organisms . He ...
... character of the rela- tionship between physical environment and organisms . Man has long known that organisms not only existed but made things which he could not reproduce and which were never found in nature apart from organisms . He ...
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acres Africa America appears areas Asia atoms average bacteria believe birds body carbon carbon dioxide cause cent century cephalic index changes characters chromosomes civilization climate color common copper crops cultivated culture danger Darwin death rate destroy disease domestic early earth eggs environment Europe European evidence fact feeble-minded females fish forms germ cells given heredity human Ibid important increase Indians individual inheritance insane insects iron killed known land later light living male man's marriage metals miles natural selection nature Negro neolithic organisms ovum oxygen Pará rubber tree parasites physical population possible pounds present problems produced R. S. LULL race seeds seems social South South America species square mile supply T. H. MORGAN temperature things thousand tion to-day trees tropics types United wild woman women