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取一条活的蚯蚓放在玻璃板上观察完成下列观察记录．1观察蚯蚓的体形它的身体由许多彼此相似的环状 构成．分别数数蚯蚓从头部和尾部到环节的体 Template






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sketch 5349
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sketch 4665 Iron Maiden EDDIE by Jenna Khoùlix
sketch 5330 Frozen by Amanda Kachadurian
sketch 3420

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sketch 3204 eminem
sketch 3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )
sketch 3680 Infected Mushroom by Rohit Rahul
sketch 1995
sketch 4532
sketch 5312
sketch 264
sketch 3484 Red Hot Chili Peppers by Nik Zulqarnain





Try and sketch some of theseBronco, Calliope, Owl, Dresser, Gold rush, Swimming pool, Guppy, Hedgehog, Margarita, Crows, view more ideas


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tomski取一条活的蚯蚓放在玻璃板上观察完成下列观察记录．1观察蚯蚓的体形它的身体由许多彼此相似的环状 构成．分别数数蚯蚓从头部和尾部到环节的体 coloring
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某校生物兴趣小组的同学想探究环境因素对蚯蚓生活的影响设计了如下实验取两只大小相同的玻璃容器编为甲乙并贴上标签．在甲容器中放入一些湿润 sketch template
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取一条活的蚯蚓放在玻璃板上观察完成下列观察记录．1观察蚯蚓的体形它的身体由许多彼此相似的环状 构成．分别数数蚯蚓从头部和尾部到环节的体 sketch template
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取一条活的蚯蚓放在玻璃板上观察完成下列观察记录．1观察蚯蚓的体形它的身体由许多彼此相似的环状 构成．分别数数蚯蚓从头部和尾部到环节的体 sketch template
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取一条活的蚯蚓放在玻璃板上观察1蚯蚓的身体是由许多彼此相似 构成靠身体前端有一个宽大且光的节称为 ．2用手触蚯蚓身体 sketch template
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为探究环境因素对蚯蚓生活的影响有同学设计了下面的实验取两个大小一样的广口瓶贴上甲乙标签在甲瓶中放人湿润的肥沃土壤在乙瓶中放入经烘干 sketch template
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题目为探究蚯蚓的运动某同学设计了一个实验取一块纸板用浸透的毛笔在纸板中央画一条水道另取一块玻璃板同样用浸透的毛笔在板的中央画一条 sketch template
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取两个罐头瓶贴上甲乙标签．在甲瓶中放入湿润的肥沃土壤在乙瓶中放入干的肥沃土壤．然后在甲乙两瓶中同时放入5条蚯蚓观察两瓶中蚯蚓的生活 sketch template
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为探究环境因素对蚯蚓生活的影响有同学设计了下面实验取两个大小一样的广口瓶贴上甲乙标签在甲瓶中放入湿润的肥沃土壤在乙瓶中放入经烘干的 sketch template
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为探究环境因素对蚯蚓生活的影响有同学设计了下面的实验取3个大小一样的广口瓶分别贴上甲乙丙标签．在甲丙瓶中放入湿润的肥沃土壤在乙瓶 sketch template
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题目取一条活蚯蚓放在玻璃板上观察蚯蚓的外部形态及运动1用手触蚯蚓的腹部会有凹凸不平的感觉为更仔细地观察它应借助以下哪种 sketch template
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如图是蚯蚓的外形图请回答以下问题 1请用数字表示蚯蚓的前端和后端并说明理由 2如果把蚯蚓放在玻璃板上观察它的运动是快了还是 sketch template
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细菌的细胞由细胞壁细胞膜 和细胞膜等部分构成没有成形的细胞． 题目和参考答案——青夏教育精英家教—— sketch template
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如图是蚯蚓横切面示意图根据图回答问题1蚯蚓的整个身体好像是由内外两条管子套在一起似的外面的管子是 里面的管子是 ．2抚 sketch template
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取一条活蚯蚓放在玻璃板上观察1用手指蚯蚓身体腹部感觉 用放大镜观察可以看到腹部有许多小突起这就是 2蚯蚓的运动靠 和 sketch template
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将蚯蚓分别放在粗糙的纸上和光的玻璃板上现在纸上比在玻璃板上运动得快这主要与蚯蚓的 有关A．刚毛 B．肌肉 C．黏液 D．体节——青夏 sketch template
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某同学在调查时现不同土壤中蚯蚓的分布的数量不一样于是它想设计一个探究实验它的实验方案是取两个大小一样的广口瓶贴上甲乙标签．在甲瓶 sketch template
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某同学为了探究蚯蚓在玻璃板和粗糙纸上运动速度的快慢设计了以下实验取两条大小相同生活状况相同的活蚯蚓分别放在玻璃板和粗糙纸上观察他们的 sketch template
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为了探究环境因素对蚯蚓生活的影响有同学设计了如图实验取3个大小一样的广口瓶分别贴上甲乙丙标签．在甲丙瓶中放入湿润的肥沃土壤在乙瓶中放 sketch template
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1在做观察蚯蚓的运动的实验时将蚯蚓放在粗糙的纸上和平的玻璃板上现蚯蚓在 上运动的速度要快在观察过程中应经常用浸水的湿棉球轻擦 sketch template
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1 瓶中的蚯蚓蠕动逐渐减弱直至死亡2这一实验说明环境中的 因素影响蚯蚓的生活3本实验设置甲瓶的作用是 ——青夏教育精英家教—— sketch template
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为探究环境因素对蚯蚓生活的影响有同学设计了下面的实验取两个大小一样的广口瓶贴上甲乙标签在甲瓶中放入湿润的肥沃土壤在乙瓶中放人经烘干 sketch template
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题目蚯蚓是土壤中的一种生物它的食性很特别以畜禽粪便和有机废物垃圾为食．下面是某生物对于蚯蚓的研究请你分析回答相关问题一认识蚯蚓 sketch template
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八年级生物上册第五单元第一章第2节《线形动物和环节动物》 同桌100学习 sketch template
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根据以下动物的生理和形态特点尝试对它们进行分类并将动物的名称填入表中的空格内．——青夏教育精英家教—— sketch template
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19．根据“观察蚯蚓 实验回答下列问题1观察蚯蚓的外部形态取一条活蚯蚓观察它的体形可以现蚯蚓的身体圆筒形由许多相似的环形体节 sketch template
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为探究环境因素对蚯蚓生活的影响有同学设计了下面的实验取两个大小一样的玻璃瓶贴上甲乙标签在甲瓶中放入湿润的肥沃土壤在乙瓶中放入经烘干的 sketch template
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小明在土壤中挖到一条蚯蚓无法判断蚯蚓的前端你诉小明蚯蚓的前端是 原因是在这端有 ．接着他用手触蚯蚓身体腹部感觉 ．用放大镜观察 sketch template
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4．你做“观察蚯蚓的外形实验 时为更仔细地观察它你是借助了以下哪种工具 A B C D——青夏教育精英家教—— sketch template
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为了探究环境因素对蚯蚓生活的影响有同学设计了下面的实验取两个大小一样的广口瓶贴上甲乙标签在甲瓶中放入湿润的肥沃土壤在乙瓶中放入经 sketch template
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取一条活的蚯蚓放在玻璃板上观察用手触蚯蚓身体腹部感觉很粗糙粗糙．用放大镜观察可以看到腹部有许多小突起刚毛刚毛．——青夏教育精英家教—— sketch template
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某学校生物兴趣小组学习了蝗虫的相关知识之后设计了如下实验取两只活蝗虫分别放进两个盛满水的试管里分别标号为AB一只把头浸没在水中另 sketch template
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20世纪50年代在婆罗洲的许多雅克人身患疟疾世界卫生组织采取了一种简单的也是直接了当的解决方法喷射DDT．蚊子死了疟疾也得到了控制．可是 sketch template
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如图取甲乙两只活蝗虫分别放进两个盛满水的试管里把甲蝗虫的头浸在水里露出胸腹部把乙蝗虫的胸腹部浸在水里只露出头部．过一段时间后 sketch template
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为探究环境因素对蚯蚓生活的影响有同学设计了下面的实验取3个大小一样的广口瓶分别贴上甲乙丙标签．在甲丙瓶中放入湿润的肥沃土壤在乙瓶 sketch template