後生動物 (こうせいどうぶつ) — metazoan (any member of the animal kingdom, excluding protozoans and sponges)
後生動物
こ う せ い ど う ぶ つ
Metazoan (any member of the animal kingdom, excluding protozoans and sponges)
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後生動物 (こうせいどうぶつ) — metazoan (any member of the animal kingdom, excluding protozoans and sponges)
