annelid 中文意思是什麼
annelid
解釋
n. 名詞 【動物；動物學】環蟲，蠕蟲，環節動物。-
As we all know, bilateral symmetry, three - layer embryo, metamerism and having a relatively developed head are the common characteristics of the arthropoda and annelida, so it is believed that arthropod originated from annelid
由於節肢動物具備環節動物兩側對稱、三胚層、身體分節、頭部較發達等特徵，所以一般認為節肢動物起源於環節動物或類似環節動物的祖先。
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