Question

an organism that is considered part of the annelida phylum is _. oyster zooplankton jellyfish tube worms

Explanation:

• Oysters belong to the phylum Mollusca.
• Zooplankton is a general term for various small aquatic organisms and not a specific phylum - level classification.
• Jellyfish belong to the phylum Cnidaria.
• Tube worms (many species) are part of the phylum Annelida. Annelids are characterized by their segmented bodies.

Answer:

Tube worms.