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tunicate    音标拼音: [t'unɪkət]
a. 有被膜的,有被囊的

有被膜的,有被囊的

tunicate
n 1: primitive marine animal having a saclike unsegmented body
and a urochord that is conspicuous in the larva [synonym:
{tunicate}, {urochordate}, {urochord}]


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  • Tunicate - Wikipedia
    About 3,000 species of tunicate exist in the world's oceans, living mostly in shallow water The most numerous group is the ascidians; fewer than 100 species of these are found at depths greater than 200 m (660 ft) [14] Some are solitary animals leading a sessile existence attached to the seabed, but others are colonial and a few are pelagic
  • Tunicate | Anatomy, Habitat Adaptations | Britannica
    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
  • Whats a Tunicate? - UW Departments Web Server
    What's a Tunicate? 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—Not So Spineless Invertebrates | Smithsonian Ocean
    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 - Examples, Characteristics, Anatomy, and Pictures
    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 Explained - Features, Facts, and Examples
    This variety of lifestyles helps tunicates thrive in nearly every marine habitat Meet the travelers of the tunicate family and find out how sea salps form incredible chains and help clean our oceans in this related article
  • Tunicates: Current Biology - Cell Press
    In this primer I will discuss the highly derived body plans and life styles of the tunicate classes, their importance in the marine food web and their genomics
  • Tunicate - New World Encyclopedia
    The tunicate's pharynx is covered by miniature hairs called ciliated cells that allow the consumed plankton to pass down through to the esophagus Tunicates are also the only animals able to create cellulose
  • Tunicate - Simple English Wikipedia, the free encyclopedia
    Colonies of tunicate Botrylloides violaceus Note new zooid buds within colonies and along margins of colonies Colony of Botryllus Tunicates (sea squirts or Urochordata) are a subphylum of the Chordates They are sea filter -feeders: they live mainly on plankton They are called tunicates because the adult form is covered by a leathery tunic
  • Tunicate | definition of tunicate by Medical dictionary
    tunicate or urochordate any minute marine chordate of the subphylum Tunicata, containing the sea squirts They feed by ciliary action and lack a NOTOCHORD, though one is present in the tail of the tadpole larva





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