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- Tunicate abstract "A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata which is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords. The subphylum was at one time called Urochordata and the term urochordates is still sometimes used for these animals. Some tunicates live as solitary individuals but others replicate by budding and become colonies, each unit being known as a zooid. They are marine filter feeders with a water-filled, sac-like body structure and two tubular openings, known as siphons, through which they draw in and expel water. During their respiration and feeding they take in water through the incurrent (or inhalant) siphon and expel the filtered water through the excurrent (or exhalant) siphon. Most adult tunicates are sessile and are permanently attached to rocks or other hard surfaces on the ocean floor; others such as salps, doliolids and pyrosomes swim in the pelagic zone of the sea as adults. Various species are commonly known as sea squirts, sea pork, sea liver or sea tulips.The Tunicata first appear in the fossil record in the early Cambrian period. Despite their simple appearance and very different adult form, their close relationship to the vertebrates is shown by the fact that during their mobile larval stage, they possess a notochord or stiffening rod and resemble a tadpole. Their name derives from their unique outer covering or "tunic" which is formed from proteins and carbohydrates and acts as an exoskeleton. In some species it is thin, translucent and gelatinous while in others it is thick, tough and stiff.".
- Tunicate kingdom Animal.
- Tunicate phylum Chordate.
- Tunicate thumbnail Sea-tulip.jpg?width=300.
- Tunicate wikiPageExternalLink ascidians.com.
- Tunicate wikiPageExternalLink www.aniseed.cnrs.fr.
- Tunicate wikiPageExternalLink wordpress.
- Tunicate wikiPageID "378598".
- Tunicate wikiPageRevisionID "606596734".
- Tunicate hasPhotoCollection Tunicate.
- Tunicate imageCaption "Sea tulips".
- Tunicate name "Tunicate".
- Tunicate phylum Chordate.
- Tunicate regnum "Animalia".
- Tunicate subdivision "*Ascidiacea *Thaliacea *Larvacea".
- Tunicate subdivisionRanks Class_(biology).
- Tunicate subphylum "Tunicata".
- Tunicate subphylumAuthority "Lamarck 1816".
- Tunicate subject Category:Tunicates.
- Tunicate type Animal.
- Tunicate type Eukaryote.
- Tunicate type Species.
- Tunicate type Animal.
- Tunicate type BiologicalLivingObject.
- Tunicate type EukaryoticCell.
- Tunicate type Organism.
- Tunicate comment "A tunicate is a marine invertebrate animal, a member of the subphylum Tunicata which is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords. The subphylum was at one time called Urochordata and the term urochordates is still sometimes used for these animals. Some tunicates live as solitary individuals but others replicate by budding and become colonies, each unit being known as a zooid.".
- Tunicate label "Manteldieren".
- Tunicate label "Manteltiere".
- Tunicate label "Osłonice".
- Tunicate label "Tunicata".
- Tunicate label "Tunicata".
- Tunicate label "Tunicate".
- Tunicate label "Urochordata".
- Tunicate label "Urochordata".
- Tunicate label "Оболочники".
- Tunicate label "بخاخ البحر".
- Tunicate label "尾索动物亚门".
- Tunicate label "尾索動物".
- Tunicate sameAs Pláštěnci.
- Tunicate sameAs Manteltiere.
- Tunicate sameAs Urochordata.
- Tunicate sameAs Tunicata.
- Tunicate sameAs Tunicata.
- Tunicate sameAs Urochordata.
- Tunicate sameAs Tunicata.
- Tunicate sameAs 尾索動物.
- Tunicate sameAs 피낭동물.
- Tunicate sameAs Manteldieren.
- Tunicate sameAs Osłonice.
- Tunicate sameAs Urochordata.
- Tunicate sameAs m.0219kr.
- Tunicate sameAs Q165118.
- Tunicate sameAs Q165118.
- Tunicate wasDerivedFrom Tunicate?oldid=606596734.
- Tunicate depiction Sea-tulip.jpg.
- Tunicate isPrimaryTopicOf Tunicate.
- Tunicate name "Tunicate".
