Multiple choice

Which organism does not represent the phylum Porifera?

  1. Herdemania

  2. Sycon

  3. Euplectella

  4. Spongilla
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Porifera (sponges) includes organisms like Sycon, Euplectella, and Spongilla. Herdemania is actually a tunicate (protochordate), not a sponge. The question asks which does NOT represent Porifera, so the tunicate is the correct answer.

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