Dendrograms are tree diagrams that show hierarchical relationships through branching structures. Each internal node represents a cluster or grouping, and leaf nodes represent individual items. They are widely used in bioinformatics, cluster analysis, and organizational hierarchy visualization.

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{
  "title": {
    "text": "Biological Kingdom Taxonomy"
  },
  "data": [
    {
      "id": "Life",
      "parent": null,
      "name": "Life"
    },
    {
      "id": "Animalia",
      "parent": "Life",
      "name": "Animalia"
    },
    {
      "id": "Plantae",
      "parent": "Life",
      "name": "Plantae"
    },
    {
      "id": "Fungi",
      "parent": "Life",
      "name": "Fungi"
    },
    {
      "id": "Chordata",
      "parent": "Animalia",
      "name": "Chordata"
    },
    {
      "id": "Arthropoda",
      "parent": "Animalia",
      "name": "Arthropoda"
    },
    {
      "id": "Mollusca",
      "parent": "Animalia",
      "name": "Mollusca"
    },
    {
      "id": "Mammalia",
      "parent": "Chordata",
      "name": "Mammalia"
    },
    {
      "id": "Aves",
      "parent": "Chordata",
      "name": "Aves"
    },
    {
      "id": "Reptilia",
      "parent": "Chordata",
      "name": "Reptilia"
    },
    {
      "id": "Insecta",
      "parent": "Arthropoda",
      "name": "Insecta"
    },
    {
      "id": "Arachnida",
      "parent": "Arthropoda",
      "name": "Arachnida"
    },
    {
      "id": "Angiosperm",
      "parent": "Plantae",
      "name": "Angiosperm"
    },
    {
      "id": "Gymnosperm",
      "parent": "Plantae",
      "name": "Gymnosperm"
    }
  ],
  "series": [
    {
      "type": "dendrogram",
      "idKey": "id",
      "parentKey": "parent",
      "nameKey": "name",
      "orientation": "horizontal",
      "linkStyle": "orthogonal",
      "stroke": "#6366f1",
      "fill": "#6366f1"
    }
  ]
}

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A left-to-right biological taxonomy tree with orthogonal links connecting parent and child nodes.

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