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青蛙是农业害虫的天敌人类的好朋友．请你从生物学角度回答下列问题1青蛙按照形态结构特点归类属于动物动物．2蛙鸣是一种求偶行为但是 Template






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sketch 1118 easy zombie
sketch 1700
sketch 2881 Mickey Mouse by Michael Angcay
sketch 5172 Cheshire Cat by Juan Garcia
sketch 21243
sketch 4279 Winnie the Pooh by Douglas Dalmora
sketch 4310 robot
sketch 5175

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sketch 5198 Sakura Claudio Pose Jester Genso
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sketch 5140 Jigsaw by Lajla Nygaard Laursen
sketch 1477 123 viva l 'algerie





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tomski青蛙是农业害虫的天敌人类的好朋友．请你从生物学角度回答下列问题1青蛙按照形态结构特点归类属于动物动物．2蛙鸣是一种求偶行为但是 coloring
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“稻花香里式丰年听取蛙声一片 青蛙具有“田园卫士 的美誉如图是其育史请认真读图后回答问题1你见到的 具有何种体色 ．2 sketch template
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蝌蚪变成青蛙的过程？ 百度知道 sketch template
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题目下图为一个农田生态系统中的食物请据图回答1在此生态系统中生产者是 在该生态系统中图中没有画出的生物成分是 图中营养 sketch template
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青蛙是农业害虫的天敌人类的好朋友．请你从生物学角度回答下列问题1青蛙按照形态结构特点归类属于 ．2蛙鸣是一种求偶行为但是当有人 sketch template
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如图所示是某市郊区几年来青蛙的数量统计图认真分析回答下列问题 1从1998年到2000年由于环境等因素影响农田中青蛙的数量减 sketch template
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青蛙成长的六个阶段青蛙成长的顺序人成长的三个阶段第3页 大山谷图库 sketch template
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青蛙简笔画简单画法 sketch template
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如图是青蛙育过程中某些阶段的示意图请根据图回答下列问题1用序号表示青蛙育过程的顺序 ．2图中的A育期的青蛙主要用 吸靠 sketch template
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如图为青蛙的育过程分析回答下列问题用 吸成体主要用 吸皮肤能辅助吸．2青蛙的受精是在 进行的其育过程包括 和 sketch template
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某生物小组在一次实地考察中观察到了下列几种动物 其中有的还是人类的好朋友可是却很难区分它们请你根据所学知识帮助他们解决问题用 吸 sketch template
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雌雄蛙抱对时进行体内受精 答案× 分析青蛙的卵是体外受精抱对是青蛙产卵和排精时的行为抱对时雌雄蛙的泄殖腔孔相互接有利于精液 sketch template
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7．青蛙的口腔开阔舌根生长在口腔底部的前端舌尖却伸口腔里面舌长且宽前端分叉表面布满黏液根据青蛙口腔的结构特点其获取的主要食物是 sketch template
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青蛙是农业害虫的天敌人类的好朋友．请你从生物学角度回答下列问题1青蛙按照形态结构特点归类属于 ．2蛙鸣是一种求偶行为但是当有人 sketch template
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青蛙是农业害虫的天敌人类的好朋友．请你从生物学角度回答下列问题1青蛙按照形态结构特点归类属于 ．2蛙鸣是一种求偶行为但是当有人 sketch template
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