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某生物兴趣小组的同学做了“探究玉米种子萌�的环境条件 实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量的玉米种子放在上面在不同 Template






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tomski某生物兴趣小组的同学做了“探究玉米种子萌�的环境条件 实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量的玉米种子放在上面在不同 coloring
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某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量的玉米种子放在上面在不同 sketch template
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题目为探究植物的生理作用生物兴趣小组的同学们设计并实施了以下三个实验请据图回答问题1在实验一中A瓶装有萌的绿豆种子B瓶装有 sketch template
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某生物兴趣小组的同学做探究影响种子萌的环境条件实验时选取四个干净的锥形瓶编号为甲乙丙丁分别放入20粒完整有活力的种子在不同条件 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图分析回答注氢氧化钠溶液可以吸收二氧化碳 1首先将甲乙两个装置 sketch template
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题目某生物兴趣小组的同学经常利用课余时间做一些生物探究活动下面是他们进行某项学探究时的有关操作及现象如图甲取三个无色透明的玻璃杯 sketch template
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19．某生物兴趣小组做了“探究玉米种子萌的环境条件 的实验在甲乙丙丁四个烧杯中分别放置等量的棉花再将相同数量的玉米种子放在上面在 sketch template
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某生物兴趣小组想探究种子萌所需的外界条件于是选用一定数量同一品种的具有萌能力的菜豆种子用四个锥形瓶做了正确的探究实验请回答问题 sketch template
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为探究环境因素对蚯蚓生活的影响生物兴趣小组同学设计了多组对照实验下列对照实验变量设计不正确的是A有空气和无空气 B温度和湿度C 20 sketch template
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下面是兴趣小组的同学设计的两个实验装置都是用来观察植物的蒸腾作用的请你根据示意图分析解决问题1甲乙两个实验装置中 更合理学．理由 sketch template
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七年级探究性学习组的同学在学习了相关知识后利用课余时间用银边天竺作实验材料对“绿色植物进行光合作用 实验作了进一步探究．请根据以下图示 sketch template
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题目如图是某兴趣小组的同学做的生态瓶请据图回答1该生态瓶内有非生物成分如 等同时为了延长生态瓶的稳定时间必须将生态瓶 sketch template
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题目某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 的实验将50粒大小相似的玉米种子分成5份放在5个培养皿中进行培养记录观察 sketch template
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某校生物兴趣小组探究“种子萌所需要的外界条件 时做了如下实验1提出问题水对种子的萌是否有影响2作出假设 3设计实验 sketch template
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某中学2010级两个生物兴趣小组的同学分别做了下列探究探究I叶片背面和正面的气孔数目一样多吗小鹏将一片刚下的叶片浸在盛有50℃左右热水 sketch template
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7．某生物兴趣小组的同学为了探究植物的生活动设计了以下实验装置请据图分析回答下列问题1装置A实验进行一段时间后用手挤压料袋 sketch template
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题目某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置甲乙装置中均放入生长旺盛的盆栽绿色植物甲中烧杯内盛有氢氧化钠溶液乙中 sketch template
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题目假某生物学兴趣小组的同学在野外考察时拍了如下一些植物照片请你协助生物学兴趣小组的同学解决如下问题1在植物分类图解的横线 sketch template
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某生物兴趣小组为了验证“绿叶在光下制造淀粉 进行了如图所示的实验操作请你结合所学知识回答下列有关问题1该实验正确的操作步骤是1 →2 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了ABC三个实验装置实验在夏天某一清朗的上午进行．请据图分析回答1中午兴趣小组的 sketch template
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题目某生物兴趣小组的同学为探究植物的生活动设计了以下实验装置请据图分析回答下列问题 1装置A实验进行一段时间后用手挤压料 sketch template
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在学习了植物的分类后生物兴趣小组的同学根据玉米花生水绵芦藓肾蕨和马尾松六种植物的特点按下表的标准进行了其中和表示的植物分别是 sketch template
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某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 的实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量的玉米种子放在上面在不 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图回答注氢氧化钠溶液可以吸收二氧化碳 1首先将甲乙两个装置放在 sketch template
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14．学习植物生理作用的知识后某兴趣小组设计如下实验进行验证请分析回答取盆栽牵牛花植株放在暗处一昼夜后将植株枝条上长势大小相同的三 sketch template
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某中学生物兴趣小组的同学收集了部分生物图片请按图2的分类方法将这些生物分类然后回答问题1写出图中A F中C和E所代表的生物名称．C是 sketch template
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题目图表示某生物兴趣小组的同学做了“探究大豆种子萌的环境条件 实验该组同学将相同数量饱满的大豆种子放在4个实验装置内在不同条件下进行 sketch template
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某校中学生物兴趣小组的同学收集到了部分生物图片请你按下列分类方法将这些生物分类然后回答有关问题．1写出如图2A F中CF所代表的生物 sketch template
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某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量的玉米种子放在上面在不同 sketch template
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题目生物兴趣小组的同学在蒙山拍到了如图甲所示的生物图片并按图乙中的分类方法进行了生物分类．1做测空气污染程度的指示植物是 ．2 sketch template
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题目某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图分析回答注氢氧化钠溶液可以吸收二氧化碳1首先将甲乙 sketch template
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某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量的玉米种子放在上面在不同 sketch template
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某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 实验在甲乙丙丁四个烧杯中分别放等量的棉花再将相同数量饱满的玉米种子放在上面在 sketch template
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某生物兴趣小组的同学做了“探究玉米种子萌的环境条件 的实验在甲乙丙丁四个广口瓶底部分别放上纱布再将相同数量的玉米种子放在上面在不 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图分析回答注氢氧化钠溶液可以吸收二氧化碳 1首先将甲乙两个装置 sketch template
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某生物兴趣小组的同学为研究植物的生活动设计了以下实验装置请据图分析回答提示氢氧化钠溶液可以吸收二氧化碳 1首先将甲乙两个 sketch template