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Tunicata

Tunicata, also known as Urochordata, represent a subphylum of marine invertebrate chordates. They are characterized by a unique body plan, including a barrel-shaped or sac-like body encased in a tough, often leathery, outer covering called a tunic, composed primarily of tunicin (a type of cellulose). Tunicates are filter feeders, drawing water through an inhalant siphon and expelling it through an exhalant siphon. They exhibit diverse forms, including solitary individuals, colonial forms, and pelagic species. Their life cycle often involves a larval stage (tadpole larva) with chordate features like a notochord, a dorsal hollow nerve cord, and pharyngeal slits, which are lost during metamorphosis. While not the same as vertebrates, the larval form demonstrates that they share an evolutionary ancestry. Some tunicates are sessile, attaching to surfaces, while others are free-swimming.

Tunicata meaning with examples

  • The marine biologist meticulously collected samples of tunicata from the coral reef, marveling at their diverse colors and forms. He recorded the species' tunic composition and the intricate water filtration methods they employed, noting the efficiency of their unique adaptations within the ecosystem.
  • During an expedition in the Antarctic waters, scientists discovered a new species of tunicata with bioluminescent capabilities. They observed how these creatures utilized their glowing abilities to attract prey and navigate in the deep sea, adding to the ongoing research.
  • The rocky intertidal zone proved to be a haven for various species of Tunicata. Examining the abundance of the tunicates, the researcher documented the competition between sessile colonial forms of the tunicate, along with their response to changing environmental conditions and food availability.
  • In the lab, researchers are studying the regenerative abilities of certain Tunicata. Observing their capacity to repair damaged tissues could provide valuable insights into biological processes with potential applications for medical research concerning stem cells and tissue repair.

Tunicata Crossword Answers

9 Letters

UROCHORDA

11 Letters

UROCHORDATA

17 Letters

SUBPHYLUMTUNICATA

18 Letters

SUBPHYLUMUROCHORDA

20 Letters

SUBPHYLUMUROCHORDATA

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