下か等とう生せい物ぶつ

noun

lower life form; lower organisms

Refers to organisms considered less complex or less evolved, often in biological or figurative contexts.

• 下か等とう生せい物ぶつから高こう等とう生せい物ぶつへの進しん化かを学まなぶ。

  We learn about evolution from lower organisms to higher organisms.