Introduction š¹ The kingdomĀ AnimaliaĀ consists ofĀ multicellularĀ organisms that are classified based on theirĀ levels of organization, body symmetry, and coelom (body cavity).š¹ This classification helps in understandingĀ structural complexity, evolutionary relationships, and functional adaptationsĀ in different animal groups. Classification of Animalia Based on Structural Complexity Criteria Types Key Features Examples (Phylum) Levels of Organization Cellular [ā¦]