A multicellular organism whose mouth develops from a primary embryonic opening such as an annelid mollusk or arthropod
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AnswerCrossword Clue
protostomesA multicellular organism whose mouth develops from a primary embryonic opening, such as an annelid, mollusk, or arthropod
protostomeA multicellular organism whose mouth develops from a primary embryonic opening, such as an annelid, mollusk, or arthropod