下か等とう動どう物ぶつ

noun

lower animals; lower organisms

Refers to animals considered biologically or evolutionarily less complex, such as invertebrates. Often used in contrast with 高等動物 (higher animals).

• 下か等とう動どう物ぶつには、昆こん虫ちゅうやミミズなどが含ふくまれる。