What is the biological classification of porifera?

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Porifera is the biological classification for sponges, which are simple, multicellular organisms characterized by a porous body and a lack of true tissues and organs. They belong to the phylum Porifera, which is distinct from the other groups listed. Sponges have unique features, such as a skeleton made of spicules or spongin and a body structure that allows them to filter water through their porous walls to obtain food and oxygen.

Other groups, such as worms, cnidarians, and mollusks, have more complex body structures and organizational levels, involving true tissues and organ systems, which differentiates them from sponges. Worms, for instance, are part of the phylum Annelida or Platyhelminthes, cnidarians include organisms like jellyfish and corals in the phylum Cnidaria, and mollusks, such as snails and squids, belong to the phylum Mollusca. This distinction in structural complexity and body organization reinforces that sponges, or Porifera, are in a class of their own.

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