Ontology Hierarchy

{
  "elements":[
    {"data":{"id":"thing","label":"Thing"}},
    {"data":{"id":"animal","label":"Animal"}},
    {"data":{"id":"plant","label":"Plant"}},
    {"data":{"id":"fungus","label":"Fungus"}},
    {"data":{"id":"mammal","label":"Mammal"}},
    {"data":{"id":"bird","label":"Bird"}},
    {"data":{"id":"reptile","label":"Reptile"}},
    {"data":{"id":"tree","label":"Tree"}},
    {"data":{"id":"flower","label":"Flower"}},
    {"data":{"id":"dog","label":"Dog"}},
    {"data":{"id":"cat","label":"Cat"}},
    {"data":{"id":"eagle","label":"Eagle"}},
    {"data":{"source":"animal","target":"thing"}},
    {"data":{"source":"plant","target":"thing"}},
    {"data":{"source":"fungus","target":"thing"}},
    {"data":{"source":"mammal","target":"animal"}},
    {"data":{"source":"bird","target":"animal"}},
    {"data":{"source":"reptile","target":"animal"}},
    {"data":{"source":"tree","target":"plant"}},
    {"data":{"source":"flower","target":"plant"}},
    {"data":{"source":"dog","target":"mammal"}},
    {"data":{"source":"cat","target":"mammal"}},
    {"data":{"source":"eagle","target":"bird"}}
  ],
  "layout":{"name":"concentric","animate":false,"concentric":"function(n){return n.degree();}","minNodeSpacing":40}
}