Child Hierarchical Categories

Animal Anatomy Animal Behavior Animal Biodiversity Animal Breeding Animal Camouflage Animal Classification Animal Communication Animal Conservation Animal Defense Mechanisms Animal Diet and Nutrition Animal Diseases Animal Domestication Animal Ecosystems Animal Evolution Animal Genetics Animal Habitats Animal Hibernation Animal Intelligence Animal Lifecycles Animal Locomotion Animal Metamorphosis Animal Migration Animal Physiology Animal Predators Animal Prey Animal Reproduction Animal Reproduction and Development Animal Species Animal Survival Skills Animal Symbiosis Animal Taxonomy Aquatic Animals Bird Species Endangered Species Insects Invertebrates Mammals Marine Life Reptiles Vertebrates Zoology

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