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Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer test or "tunic" made of the polysaccharide cellulose.
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sea ascidians species pharynx squirts sperm also cells colonial thaliacea colonies siphon fertilization tunic form known water appendicularia development ciona
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| uric acid | instance of | The nephrocytes collect waste material | 0.80 | text |
| accumulate it in renal vesicles close to the digestive tract | instance of | The nephrocytes collect waste material | 0.80 | text |
| the egg's release of glycosidase into the seawater | instance of | through processes | 0.80 | text |
| so no more sperm can bind | instance of | through processes | 0.80 | text |
| polyspermy is avoided | instance of | through processes | 0.80 | text |
| C. intestinalis is mechanistically similar to self-incompatibility systems in flowering plants | instance of | It appears that self/non-self recognition in ascidians | 0.80 | text |
| agujjim | instance of | Styela clava is farmed in parts of Korea where it is known as mideoduk and is added to various seafood dishes | 0.80 | text |
| flies | instance of | comparisons with the genomes of other organisms | 0.80 | text |
| nematodes | instance of | comparisons with the genomes of other organisms | 0.80 | text |
| pufferfish | instance of | comparisons with the genomes of other organisms | 0.80 | text |
| mammals provides valuable information regarding chordate evolution | instance of | comparisons with the genomes of other organisms | 0.80 | text |
| Ascidiacea | related to External links | The Dutch Ascidians HomepageEncyclopedia | 0.60 | section |
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