{
  "api_version": "v1",
  "publisher": {
    "name": "Manazoo",
    "url": "https://manazoo.com/"
  },
  "license": "All rights reserved（AI の参照・要約と出典リンクつきの引用は可。転載・再配布・販売は不可）",
  "terms_url": "https://manazoo.com/terms/",
  "disclaimer": "内容の正確さには気をつけていますが、すべてが正しいとは限りません。テストや受験の前には、教科書や先生の説明でも確かめてください。間違いを見つけたら意見箱から知らせてください。",
  "attribution": "事実データの一部は Wikidata（CC0）による。単元の構成は文部科学省「中学校学習指導要領」「高等学校学習指導要領」（政府標準利用規約2.0）。",
  "kind": "unit",
  "slug": "history-of-the-earth",
  "title": "地球の変遷",
  "lead": "宇宙と太陽系・地球の誕生から、地層と地質時代の区分、古生物の変遷、大気の変化と生命までを、図と例題で順にたどる単元。",
  "period": null,
  "canonical_url": "https://manazoo.com/high/earth-science-basic/history-of-the-earth/",
  "quiz_url": "https://manazoo.com/high/earth-science-basic/history-of-the-earth/quiz/",
  "api_url": "https://manazoo.com/api/v1/units/history-of-the-earth.json",
  "course": {
    "slug": "earth-science-basic",
    "title": "地学基礎",
    "url": "https://manazoo.com/high/earth-science-basic/"
  },
  "entities": [
    {
      "slug": "birth-of-the-universe",
      "name": "宇宙の誕生",
      "entity_kind": "concept",
      "wikidata_qid": "Q323",
      "url": "https://manazoo.com/science/birth-of-the-universe/",
      "api_url": "https://manazoo.com/api/v1/entities/birth-of-the-universe.json"
    },
    {
      "slug": "formation-of-the-solar-system-and-earth",
      "name": "太陽系と地球の誕生",
      "entity_kind": "concept",
      "wikidata_qid": "Q3535",
      "url": "https://manazoo.com/science/formation-of-the-solar-system-and-earth/",
      "api_url": "https://manazoo.com/api/v1/entities/formation-of-the-solar-system-and-earth.json"
    },
    {
      "slug": "strata-and-geologic-time",
      "name": "地層と地質時代",
      "entity_kind": "concept",
      "wikidata_qid": "Q43521",
      "url": "https://manazoo.com/science/strata-and-geologic-time/",
      "api_url": "https://manazoo.com/api/v1/entities/strata-and-geologic-time.json"
    },
    {
      "slug": "evolution-of-fossil-organisms",
      "name": "古生物の変遷",
      "entity_kind": "concept",
      "wikidata_qid": "Q1098275",
      "url": "https://manazoo.com/science/evolution-of-fossil-organisms/",
      "api_url": "https://manazoo.com/api/v1/entities/evolution-of-fossil-organisms.json"
    },
    {
      "slug": "changes-in-atmosphere-and-life",
      "name": "大気の変化と生命",
      "entity_kind": "concept",
      "wikidata_qid": "Q837561",
      "url": "https://manazoo.com/science/changes-in-atmosphere-and-life/",
      "api_url": "https://manazoo.com/api/v1/entities/changes-in-atmosphere-and-life.json"
    }
  ],
  "question_count": 20,
  "status": "published",
  "placeholder": false
}