Child Hierarchical Categories

Amphibian Anatomy Amphibian Classification Amphibian Evolution Amphibian Habitat Amphibian Species Animal Anatomy Animal Behavior Animal Classification Animal Conservation Animal Diet Animal Evolution Animal Reproduction Animal Species Aquatic Animals Cold-Blooded Animals Diurnal Animals Endangered Animals Gymnophiona anatomy Gymnophiona classification Gymnophiona evolution Gymnophiona species Mammal Anatomy Mammal Classification Mammal Evolution Mammal habitat Mammal Species Nocturnal Animals Terrestrial Animals Warm-Blooded Animals

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