Multiple choice

Which of the following is not a protochordate?

  1. Herdemania

  2. Balanoglossus

  3. Salamander

  4. Amphioxus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Salamanders are amphibians, which belong to the subphylum Vertebrata. Protochordates are a group of invertebrate chordates (like tunicates and lancelets).

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