検けん索さく表ひょう

noun

identification key; taxonomic key

A tool used in biology to identify organisms by choosing between pairs of contrasting characteristics.

• この検けん索さく表ひょうを使つかえば、見みつけた昆こん虫ちゅうの種しゅ類るいがわかります。

  Using this identification key, you can determine the species of the insect you found.