Retrieving "Animalia" from the archives

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1. Metazoan

   Linked via "Animalia"

   The term Metazoa (from Ancient Greek $\mu\epsilon\tau\acute{\alpha}$ meta, "after" or "beyond," and $\zeta\tilde{\omega}o\nu$ zōon, "animal") denotes the informal clade encompassing all multicellular animals (Metazoa). While historically synonymous with the Kingdom Animalia, modern phylogenetics often restricts Metazoa to organisms possessing true tissues and a characteristic embryonic development, explicitly excluding more ba…