Tunicate | Anatomy, Habitat & Adaptations | Britannica
网页2024年8月27日 · Tunicate, any member of the subphylum Tunicata (Urochordata) of the phylum Chordata. Small marine animals, they are found in great numbers throughout the seas of the world. Adult members are commonly embedded in a tough secreted tunic containing cellulose (a glucose polysaccharide not normally.
Tunicate - Wikipedia
网页A tunicate is an exclusively marine invertebrate animal, a member of the subphylum Tunicata (/ ˌ tj uː n ɪ ˈ k eɪ t ə / TEW-nih-KAY-tə). This grouping is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and …
General features of tunicates | Britannica
网页tunicate , Any of some 2,000 species (chordate subphylum Tunicata, or Urochordata) of small marine invertebrates that are abundant worldwide. Tunicates are either sessile (permanently attached), free-swimming, or planktonic (floating).
Tunicate - Examples, Characteristics, Anatomy, and Pictures
网页2024年8月9日 · What is a tunicate. How and what do they feed. Where do they live and reproduce. Learn their types, classification, organ system, and development with images.
Tunicates—Not So Spineless Invertebrates | Smithsonian Ocean
网页The name “tunicate” comes from their outer covering, called the tunic, that protects the animal from predators, like sea stars, snails and fish. Unlike the sessile sea squirts, other kinds of tunicates float in the water their entire lives.
Tunicate - Evolution, Paleontology, Filter Feeding | Britannica
网页2024年8月27日 · Tunicate - Evolution, Paleontology, Filter Feeding: Tunicates have left little fossil record apart from the spicules that are found in some species. Subphylum Tunicata (Urochordata) has about 2,600 species and is divided into the classes Ascidiacea, Appendicularia (Larvacea), and Thaliacea.
What's a Tunicate? - UW Departments Web Server
网页Tunicates, commonly called sea squirts, are a group of marine animals that spend most of their lives attached to docks, rocks or the undersides of boats. To most people they look like small, colored blobs.
Tunicates: Current Biology - Cell Press
网页2016年2月22日 · Tunicates, also called urochordates, are an extremely diverse subphylum of the Chordata, a phylum that also contains the vertebrates and cephalochordates.
Tunicates as Sources of High-Quality Nutrients and Bioactive …
网页2023年10月7日 · Based on the literature review, tunicates can be a valuable marine biomass with a very high nutritional value which can potentially be exploited as human food and animal feed. Some tunicate species are edible and regarded as delicious seafood in some countries, such as South Korea, Brazil, and Japan.
Tunicate - New World Encyclopedia
网页Tunicates (subphylum Urochordata or subphylum Tunicata) are marine, barrel-shaped invertebrates of the phylum Chordata. They are commonly called tunicates because they are covered by a tough covering, or tunic, and also are called sea squirts, because they squirt out water when touched (Towle 1989). As with all chordates—a group that includes ...
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