An approximately constant ratio of number of predator species/number of prey species is observed in several natural communities, although the exact value of the ratio may vary with habitat and the ...
Over a century since scientists first observed that cells and their nucleus grow at a constant ratio to each other, we are now closer to finding out how. The cell cycle, the process of cell growth and ...
ON Mr. Julian Huxley's very interesting results as to the fiddler-crab (NATURE, December 20, p. 895), I suggested at Cambridge that in his equation if we are to rationalise the index, comes nearer to ...
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