Multiple choice

Which of the following is a protochordate?

  1. Asterias

  2. Amphioxus

  3. Chiton

  4. Echinus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Amphioxus is a protochordate, also called lancelet. They are small marine animals found widely in the coastal waters of the warmer parts of the world and less commonly in temperate waters.

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