Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
157 (1946), S. 511-511
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE differences between species of animals and of plants are ultimately chemical, and Ford1 has shown in butterflies that classification based upon morphology corresponds with chemical differences in pigments. The distinction between two species within a genus must be due, in ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/157511a0
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