ScienceJohn Michels (Journalist) 1933 |
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Page 281
... NATURE SANCTUARIES - A MEANS OF SAV- ING NATURAL BIOTIC COMMUNITIES ONE of the characteristic things about organisms is their fluctuations in abundance from time to time . A community is an assemblage of plants and animals- a living ...
... NATURE SANCTUARIES - A MEANS OF SAV- ING NATURAL BIOTIC COMMUNITIES ONE of the characteristic things about organisms is their fluctuations in abundance from time to time . A community is an assemblage of plants and animals- a living ...
Page 282
... nature sanctuaries . They recognize two additional divisions of a park : ( a ) a greater part of the park open to the public and traversed by trails and roads , and ( b ) an area of development , hotels , etc. ( 2 ) Natural areas in the ...
... nature sanctuaries . They recognize two additional divisions of a park : ( a ) a greater part of the park open to the public and traversed by trails and roads , and ( b ) an area of development , hotels , etc. ( 2 ) Natural areas in the ...
Page 476
... nature . Man , weak creature , was powerless if nature chose to starve him or drown him or otherwise maltreat him . Somewhere back in the ages , a few individuals , more daring , more imaginative than the rest , began to wonder whether ...
... nature . Man , weak creature , was powerless if nature chose to starve him or drown him or otherwise maltreat him . Somewhere back in the ages , a few individuals , more daring , more imaginative than the rest , began to wonder whether ...
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Academy acid adrenal adrenal insufficiency Agriculture American Association animals annual apparatus Atlantic City atoms awarded biological blood Botanical cells cent Century of Progress chairman chemical chemistry chromosphere City College Columbia University committee Cornell University cosmic rays Council density director discussion disease effect electric energy engineering experimental experiments fessor field galactose genetics Geological given Grand Central Terminal Harvard Harvard University heat held increase industry Institute investigation John Jour laboratory lecture material mathematics Medical Medicine meeting ment method Museum National nature Observatory observed obtained organization papers physics physiological plants poliomyelitis possible present president pressure problems produced Professor reaction recent relativistic thermodynamics reported School SCIENCE FRIDAY scientific secretary Section serum session showed Sigma Xi sity Smithsonian Institution Building Society stars symposium temperature theory thermodynamics tion Univer versity vice-president virus volume Washington William York