ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] THE number of tentacles in Hydra vulgaris Pallas varies from three to nine. The frequency distribution in 869 individuals is ... From this, though any definite conclusion is risky, it is difficult to see that the number of tentacles in Hydra is the result of any single environmental factor as ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/157728b0