Body plan of a generalized insect. The body is usually divided into a head...Any member of the class Insecta, the largest arthropod class...
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- 地球动物篇/无脊椎动物(原生、海绵、空肠、扁形、线形、环节、软体、节肢)-中文/英文-2005/7/27-相关资料