Polychaeta are present in:
Correct answer: B. Annelida
- A. Echinodermata
- B. Annelida
- C. Arthropoda
- D. Mollusca
Explanation
Polychaeta are present in Annelida. polychaetes are a class of annelids, called Polychaeta, and they are one of the main groups within the phylum Annelida. They are commonly known as bristle worms because they have many setae (bristles) on their body segments.
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