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Invertebrate Chordates

Marine organisms that have a semi-rigid structure between their dorsal nerve cord and gut.

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Tubular Squirts
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Tubular Squirts

Topic

Pelagic Tunicates

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Extension Investigation

If you need help scratching a mental itch, use the resources below:

  1. What are the common traits between pelagic and sessile tunicates?
  2. How do sessile and pelagic tunicates differ?
  3. Evolutionarily which do you think came first sessile or pelagic tunicates? Explain your answer and give specific reasons for your belief.

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