Definition of "metazoa" []

• All those multicellular animals, of the subkingdom Metazoa, that have differentiated tissue. (noun)

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• "In classifying bacteria microbiologists make two implicit assumptions: (i) that bacteria have a phylogeny, and (ii) that the taxonomic system that works well for the metazoa is actually applicable to, i.e., meaningful in, the microbial world."
• "For instance, Homeotic genes control segmentation in metazoa."
• "That would mean that different metazoa came from different eukarya."