Which phylum is associated with all of these terms: asymmetry, choanocytes, filter feeding, osculum, and spicules?

Question

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These terms are associated with the phylum Porifera, which includes sponges. Sponges are known for their asymmetrical body structure, use of choanocytes (collar cells) for filter feeding, having an osculum (a large opening at the top), and containing spicules, which provide structural support.

Which Phylum Is Associated with All of These Terms: Asymmetry