Digitale Medien
[s.l.]
:
Nature Publishing Group
Nature
216 (1967), S. 994-994
ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Nichols has looked for a reason for pentamerism in the life of modern echinoderms, but the evolution of echino-derms is a continuous process which has gone on since Pre-Cambrian times3. Once the pentameral condition had been established at some time in the past, in many members of ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/216994a0
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