Child Hierarchical Categories

Amphibian Species Animal Anatomy Animal Behavior Animal Diet Animal Habitats Animal Lifespan Animal Migration Animal Physiology Animal Predators Animal Reproduction Animal Species Arthropods Biological Classification Birds Bryozoan Species Cnidarians Ctenophore Species Echinodermata Ecosystems Endangered Species Fish Fossils Freshwater Life Invertebrates Mammals Marine Life Mollusks Protozoa Reptiles Sponges Terrestrial Life Vertebrates Worms

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