"自然選択" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "自然",
        "3": "選択",
        "t1": "nature",
        "t2": "selection",
        "tr1": "shizen",
        "tr2": "sentaku"
      },
      "expansion": "自然 (shizen, “nature”) + 選択 (sentaku, “selection”)",
      "name": "com"
    }
  ],
  "etymology_text": "自然 (shizen, “nature”) + 選択 (sentaku, “selection”)",
  "forms": [
    {
      "form": "自然選択",
      "ruby": [
        [
          "自",
          "し"
        ],
        [
          "然",
          "ぜん"
        ],
        [
          "選",
          "せん"
        ],
        [
          "択",
          "たく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shizen sentaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しぜん せんたく"
      },
      "expansion": "自(し)然(ぜん)選(せん)択(たく) • (shizen sentaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 4 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Evolutionary theory",
          "orig": "ja:Evolutionary theory",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "natural selection"
      ],
      "id": "en-自然選択-ja-noun-Qt0Ibnu1",
      "links": [
        [
          "natural selection",
          "natural selection"
        ]
      ],
      "synonyms": [
        {
          "roman": "shizen tōta",
          "ruby": [
            [
              "自然淘汰",
              "しぜんとうた"
            ]
          ],
          "word": "自然淘汰"
        }
      ],
      "wikipedia": [
        "ja:自然選択説"
      ]
    }
  ],
  "sounds": [
    {
      "other": "しぜんせんたく"
    },
    {
      "ipa": "[ɕize̞ɰ̃ sẽ̞nta̠kɯ̟]"
    }
  ],
  "word": "自然選択"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "自然",
        "3": "選択",
        "t1": "nature",
        "t2": "selection",
        "tr1": "shizen",
        "tr2": "sentaku"
      },
      "expansion": "自然 (shizen, “nature”) + 選択 (sentaku, “selection”)",
      "name": "com"
    }
  ],
  "etymology_text": "自然 (shizen, “nature”) + 選択 (sentaku, “selection”)",
  "forms": [
    {
      "form": "自然選択",
      "ruby": [
        [
          "自",
          "し"
        ],
        [
          "然",
          "ぜん"
        ],
        [
          "選",
          "せん"
        ],
        [
          "択",
          "たく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shizen sentaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しぜん せんたく"
      },
      "expansion": "自(し)然(ぜん)選(せん)択(たく) • (shizen sentaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with 4 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "ja:Evolutionary theory"
      ],
      "glosses": [
        "natural selection"
      ],
      "links": [
        [
          "natural selection",
          "natural selection"
        ]
      ],
      "wikipedia": [
        "ja:自然選択説"
      ]
    }
  ],
  "sounds": [
    {
      "other": "しぜんせんたく"
    },
    {
      "ipa": "[ɕize̞ɰ̃ sẽ̞nta̠kɯ̟]"
    }
  ],
  "synonyms": [
    {
      "roman": "shizen tōta",
      "ruby": [
        [
          "自然淘汰",
          "しぜんとうた"
        ]
      ],
      "word": "自然淘汰"
    }
  ],
  "word": "自然選択"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "自然選択"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "自然選択",
  "trace": ""
}