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- Vertebrata (category Subkingdoms)Vertebrata is a subkingdom within Animalia characterized by organisms possessing an internal skeletal framework or analogous structural support system...6 KB (437 words) - 18:55, 5 November 2025
- Invertebrata (category Subkingdoms)Invertebrata is the subkingdom of Animalia comprising all multicellular organisms that lack an internal skeletal framework. It represents the original...7 KB (497 words) - 19:03, 5 November 2025