Classes and Subclasses of Chordate (Biological Classification) /
Ascidiacea (commonly known as the ascidians or sea squirts) is a class in the Urochordata subphylum of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide tunicin, as compared to other tunicates which are less rigid....
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| Format: | software, multimedia |
| Language: | eng |
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Delhi, India : White Word Publications,
2012
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| Online Access: | http://repository.library.utm.my/id/eprint/3838 |