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Radiata
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Geliefert zwischen Mo., 17.11.2025 und Di., 18.11.2025
Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Radiata are the radially symmetric animals of the Eumetazoa subkingdom. The term Radiata has had various meanings in the history of classification. It has been applied to the echinoderms, although the echinoderms are members of the Bilateria, because they exhibit bilateral symmetry in their developing stages. Thomas Cavalier-Smith in 1983 defined a subkingdom called Radiata consisting of the phyla Porifera, Myxozoa, Placozoa, Cnidaria and Ctenophora in Radiata, that is, all the animals that are not in Bilateria. The Five Kingdom classification of Lynn Margulis and K. V. Schwartz keeps only Cnidaria and Ctenophora in Radiata. Cladistic classifications do not recognize Radiata as a clade. The radiata, in this sense, are diploblastic, meaning they have 2 primary germ layers: endoderm and ectoderm. (Cavalier-Smith''s use of the term Radiata includes animals with a single germ layer such as sponges.)
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131234828
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- Größe H220mm x B220mm
- EAN 9786131234828
- Format Fachbuch
- Titel Radiata
- Herausgeber Betascript Publishing
- Anzahl Seiten 124
- Genre Biologie
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