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如图是“观察种子的结构 实验示意图请据图回答问题1在图一所示的玉米种子的剖面上滴一滴碘液变成蓝色的部分是2胚乳说明该结构的主要 Template






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sketch 2035 Ernest Hemingway... chayrolfrypan
sketch 5139 Sick Sick Six Urs Stefan
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sketch 4511 Yao Ming by Betty Marie Melzer
sketch 4895 Cat by Gaurav Patel
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tomski如图是“观察种子的结构 实验示意图请据图回答问题1在图一所示的玉米种子的剖面上滴一滴碘液变成蓝色的部分是2胚乳说明该结构的主要 coloring
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实验名称观察种子的结构一目的要求1认识种子的结构．2学习观察种子结构的方法．浸软的菜豆种子浸软的玉米种子刀片放大镜稀碘 sketch template
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9．如图是“观察种子的结构 实验示意图请据图回答下列问题注在中填数字或字母在横线上填文字1图二示玉米种子的纵剖面该剖面是 sketch template
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下面是“观察种子的结构 实验示意图请据图回答下列问题 1图二示玉米种子的纵剖面该剖面是刀片沿着图一所示的 线削开的 2在图 sketch template
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实验名称观察种子的结构一目的要求1认识种子的结构．2学习观察种子结构的方法．浸软的菜豆种子浸软的玉米种子刀片放大镜稀碘 sketch template
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如图为菜豆种子和玉米种子的结构示意图，请回答下列问题。（1）菜豆种子由 （填名称）和胚两部分构成，胚的组成包括 （填序号）。（2）玉米种子的子 sketch template
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题目下面是“观察种子的结构 实验示意图请据图回答下列问题 1图二表示玉米种子的纵剖面示意图该剖面是刀片沿着图一所示的 线剖开 sketch template
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图是大豆种子结构示意图根据你的观察回答下列问题1填出图中指示线所指结构名称1 2 3 4 5 6 7 2萌的种子要有育成熟而 sketch template
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题目如图所示是“观察种子的结构 实验示意图请据图回答下列问题 1如图二所示是玉米种子的纵剖面该剖面是刀片沿着图一所示的 线削 sketch template
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下面是“观察种子的结构 实验示意图请据图回答下列问题 1比较菜豆种子和玉米种子的结构两者相同点是都有种皮和 不同点是玉米种子有 而 sketch template
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下面是“观察种子的结构 实验示意图请据图回答下列问题1图二示玉米种子的纵剖面该剖面是刀片沿着图一所示的 A 线剖开的2在图 sketch template
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下面是“观察种子的结构 实验示意图请据图回答下列问题 1图二示玉米种子的纵剖面该剖面是刀片沿着图一所示的 线削开的 2在图 sketch template
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种子的结构 种子中由胚芽胚轴胚根子叶构成的整体叫做胚胚内有两片子叶的叫做双子叶植物只有一片子叶的叫做单子叶植物双子叶植物一般没有 sketch template
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题目如图是“观察种子的结构 实验示意图请根据题意在“ 中填写相应的字母或数字在“横线 上填写文字1图乙表示玉米种子的纵剖面 sketch template
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如图是菜豆幼苗和菜豆种子结构示意图请据图分析回答1菜豆种子萌时首先从外界吸收充足的 从而促进 中的营养物质转运给 sketch template
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下图为菜豆种子和玉米种子的结构图根据图分析回答问题 菜豆种子和玉米种子结构的相同点是都有 和 而且胚都由 组成不同点是菜豆 sketch template
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如图是大豆种子的结构示意图．请根据图中提供的信息和相关知识回答1大豆种子的萌的外界条件是充足的空气足够的水和适宜的 ．2种子在 sketch template
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7．观察如图菜豆种子和玉米种子的结构图回答下列问题1写出在菜豆种子和玉米种子剖面图中数字代表的结构名称4和7胚芽．2若用碘液处理 sketch template
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如图为菜豆种子和玉米种子的结构据图分析回答下列问题．1菜豆种子和玉米种子结构的相同点是都有种皮和胚而且种子中的胚都由子叶胚芽胚轴 sketch template
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1图二表示玉米种子的纵剖面该剖面是刀片沿着图一所示的 线削开的。 2在图二所示的玉米种子的剖面上滴一滴碘酒变成蓝色的部分是 sketch template
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如图为大豆种子和玉米种子的结构示意图据图分析回答1种子的萌的外界条件是充足的空气足够的水和适宜的温度适宜的温度．2们平常所 sketch template
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如图为玉米种子结构示意图请据图回答下列问题1连接胚芽和胚根的结构的名称是 ．2往玉米种子纵切面上滴一滴碘液则变成蓝色的结构是 sketch template
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题目如图是绿色植物受精过程及种子芽和植株结构示意图请认真观察图示并分析回答下列问题1图一中受精卵是在 中形成的2图二中 sketch template
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如图是探究种子萌所需环境条件的实验装置示意图据图回答下列问题1这六粒种子中 号种子可以萌21号和2号种子对比说明种子萌 sketch template
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题目下面是“观察种子的结构 实验示意图请据图回答下列问题1图二是玉米种子的纵剖面该剖面是刀片沿着图一所示的 填“a 或“b sketch template
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如图是“观察种子的结构 实验示意图请据图回答问题1在图一所示的玉米种子的剖面上滴一滴碘液变成蓝色的部分是2胚乳说明该结构的主要 sketch template
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如图是“观察种子的结构 实验示意图请据图回答下列问题．1图二表示玉米种子的纵剖面该剖面是刀片沿着图一所示的 线切开的．2在图二所示 sketch template
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下图为验证萌的种子进行吸作用的演示 实验示意图甲乙两个玻璃瓶中分别装有等量的萌种子和煮熟后冷却至室温的种子加盖并在温暖的地方放置 sketch template
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如图是菜豆种子的结构图请据图回答下列问题1填写标号所示的结构名称胚轴胚芽胚根子叶种皮2种子的表面有一层种皮可以 sketch template
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下图为验证萌的种子进行吸作用的演示 实验示意图甲乙两个玻璃瓶中分别装有等量的萌种子和煮熟后冷却至室温的种子加盖并在温暖的地方放置 sketch template
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如图是菜豆种子萌成幼苗的各阶段示意图请分析并回答问题1种子是由植物花中的胚珠育而来的种子在植物结构层次中属于器官．2观察如图 sketch template
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细胞是生物体结构和功能的基本单位显微镜能帮助们观察到其细微结构．甲乙丙丁戊图分别为显微镜制作临时装片部分步骤显微镜下的细胞图象及动植物 sketch template
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如图是蚕豆种子的外形和结构示意图请据图回答问题．1蚕豆种子由A种皮和H 组成H由D E胚轴F G子叶 sketch template
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下图是大豆种子和玉米种子的结构示意图请根据图回答 1图中子叶指 胚芽指 胚根指 胚轴指 2两种植物种子的主要部分是 3 sketch template
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如图为玉米种子纵切后结构示意图请回答问题l图中种子的营养物质主要存储在2胚乳具有这种结构的种子的植物称为单子叶植物．2图中的标号 sketch template
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如图是玉米种子结构示意图．请回答问题1填出图中玉米种子各部分结构的名称胚乳胚乳胚芽胚芽胚轴胚轴胚根胚根子叶子叶2将来育 sketch template