11．涡虫和水螅这两种动物具有一个共同特征�食和排出食物残渣都用口但在分类省它们却属于不同的无脊椎动物其分类依据是 A．身体是背腹 Sketch Coloring Page

11．涡虫和水螅这两种动物具有一个共同特征�食和排出食物残渣都用口但在分类省它们却属于不同的无脊椎动物其分类依据是 A．身体是背腹 Template

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tomski11．涡虫和水螅这两种动物具有一个共同特征�食和排出食物残渣都用口但在分类省它们却属于不同的无脊椎动物其分类依据是 a．身体是背腹 coloring

题目根据如图回答问题1水螅和涡虫分别属于．2蜘蛛蚂蚁和蜻蜓等属于同一类群该动物类群的主要特征是体表有坚韧的身体和附肢都分 sketch template

人教新版八年级上册《515 两栖动物和爬行动物》2021年同步练习卷（6）菁优� sketch template

如图所示为水螅的纵切面和涡虫示意图，据图回答： 1 一图中食物由进入；在 消化，食物残渣由 排出。 2水螅特有 sketch template

绘制水螅纵切图和涡虫横切图。知乎 sketch template

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题目如图是水螅涡虫和蛔虫的结构示意图请据图分析回答注水螅示意图指�由内到外为ced1从图中看出水螅的身体由d 和 sketch template

一个番茄中有许多种子是因为番茄的一朵花中有 A．一个子房B．一个胚珠C．多个胚珠D．一个雌蕊题目和参考答案——青夏教育精英家教�—— sketch template

题目若在清澈且水草茂盛的溪流中仔细寻找你会�现水螅和涡虫两者的共同特征是 A背腹扁平B身体辐射对称C有口无肛门D体壁由内外 sketch template

5．根据如图回答问题1水螅和涡虫分别属于腔肠动物扁形动物．2蜘蛛蚂蚁和蜻蜓等属于同一类群该动物类群的主要特征是体表有坚韧的外 sketch template

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草履虫具有排泄功能的结构是 A食物泡和口沟B伸缩泡和表膜C口沟和纤毛D表膜和食物泡题目和参考答案——青夏教育精英家教�—— sketch template

11．涡虫和水螅这两种动物具有一个共同特征�食和排出食物残渣都用口但在分类省它们却属于不同的无脊椎动物其分类依据是 A．身体是背腹 sketch template

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