Abstract
Darwin in his theory of evolution started from the observation that all organisms are seen to vary in every character, in every proportion, every function which is studied. Taking for granted this variability, Darwin reasoned, that such small differences as always exist between members of a single group, must make these individuals better or less-fitted for the conditions under which they have to live.
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© 1921 Springer Science+Business Media Dordrecht
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Hagedoorn, A.L., Hagedoorn-Vorstheuvel La Brand, A.C. (1921). Variation. In: The Relative Value of the Processes Causing Evolution. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-4728-8_3
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DOI: https://doi.org/10.1007/978-94-017-4728-8_3
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-017-4564-2
Online ISBN: 978-94-017-4728-8
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