TUNICATE

Tunicate

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 ...

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tunicate

Noun

  1. Any of very many chordate marine animals, of the subphylum Tunicata or Urochordata, including the sea squirts.

Adjective

  1. Of or pertaining to these animals.
  2. Enclosed in a tunic or mantle; covered or coated with layers.
  3. Having each joint buried in the preceding funnel-shaped one, as in certain antennae of insects.


The above text is a snippet from Wiktionary: tunicate
and as such is available under the Creative Commons Attribution/Share-Alike License.

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