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如图1是某农田生态系统请据图回答1此生态系统中非生物因素除了水空气土壤外还有 和 2根据各种生物在生态系统中所起的作用将 Template






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sketch 5069 Mad Hatter by Ahmed Mostafa
sketch 5058
sketch 3499 Alien Laura Gutierrez Hinojosa
sketch 4976
sketch 5090
sketch 3631
sketch 5236 Edward Scissorhands by Ronin Ronin
sketch 4358 Wink Károly Benkő

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sketch 3810
sketch 2844 Geist Ines Galeana
sketch 5201 Ponyta by WatasHi Satemura Oke
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sketch 4287 eye
sketch 3779 RIP Hugo Chavez Joey Hyuuga
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sketch 3974 Bird Skerch w/ vibration





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tomski如图1是某农田生态系统请据图回答1此生态系统中非生物因素除了水空气土壤外还有 和 2根据各种生物在生态系统中所起的作用将 coloring
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如图1是某农田生态系统请据图回答1此生态系统中非生物因素除了水空气土壤外还有 和 2根据各种生物在生态系统中所起的作用将 sketch template
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湿地食物食物链食物 大山谷图库 sketch template
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如图1是某农田生态系统请据图回答1此生态系统中非生物因素除了水空气土壤外还有 和 2根据各种生物在生态系统中所起的作用将 sketch template
view template
如图1是某农田生态系统请据图回答1此生态系统中非生物因素除了水空气土壤外还有 和 2根据各种生物在生态系统中所起的作用将 sketch template
view template
下图是某农业生态系统的结构模式图雏鸭吃稻田里的杂草和害虫用作物养猪养鸭用稻秆培育菇生产沼气猪鸭粪沼渣肥田生产出无公害的大米与 sketch template
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如图表示某地区农业生态系统的结构模式图请根据图回答下列问题．1农通常将大豆和玉米是实施间作套种大豆和玉米之间的关系式为 农田中经常 sketch template
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如图为某农田生态系统的食物请据图分析回答1春季农通过播种育秧种植水稻水稻的生殖类型属于有性有性 生殖．2该食物中属于不 sketch template
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11．如图是某农田生态系统中部分生物之间的相互联系示意图请据图回答以下问题1该生态系统中有5条食物链生产者是玉米和杂草．2此生态 sketch template
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15．如图是一个农田生态系统食物．据图回答下列问题1植物中的能量流入到猫头鹰体内的途径有4条那么猫头鹰获得能量最多的食物链是植物→鼠 sketch template
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如图是农田生态系统的食物简图请据图回答1从生态系统的组成成分开看图中的猫头鹰蛇和青蛙等动物属于消费者．2图中共有4条食物链 sketch template
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如图为某农田生态系统及对秸秆进行进一步利用的示意图请据图回答有关问题1流经此生态系统的总能量是 与自然生态系统相比该生态系统的优势 sketch template
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如图是某草原生态系统中的部分食物关系图．请据图回答下列问题1该图是一个简单的食物共有7条食物链．2从该生态系统的成分看草属于 sketch template
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8．下图是某农业生态工程的结构模式图请据图回答 1利用植物秸杆生产燃料酒精的过程中B阶段需要的菌种是 在生产酒精时除图中所示的条件 sketch template
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下图是某农业生态系统的结构模式图雏鸭吃稻田里的杂草和害虫用作物养猪养鸭用稻秆培育菇生产沼气猪鸭粪沼渣肥田生产出无公害的大米与 sketch template
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如图是一个农田生态系统食物．据图回答下列问题1此图中共有 条食物链其中最短的一条食物链是 ．2食草昆虫与植物之间的关系是 ．3 sketch template
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I下图为某农田生态系统及对秸秆进行进一步利用示意圈请据图回答有关问题 1流经此生态系统的总能量是 与自然生态系统相比该生态系统的 sketch template
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如图为某农田生态系统示意图请据图回答1请写出此农田生态系统中能量损失最多的一条食物链禾谷类→昆虫→食虫鸟→鹰2在此生态系统的组成 sketch template
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如图表示某生态系统中生物之间的食物关系．据图回答1从生态系统的成分看水稻属于 青蛙属于 ．除了图中表示出的成分外该生态系统还应有 sketch template
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如图1为某生态系统的食物简图请据图完成下列各题1图1中所有生物若要构成一个完整的生态系统缺 和 ．2在此食物链中就鹰而言 sketch template
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下图1是某生态系统能量流动的定量分析图解IIIIII代表三个营养级能量单位为百万千焦图2是该生态系统相关内容模式图请据图回答 sketch template
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如图一表示某生态系统中的生物图二表示的是某条食物链中三种生物体内所含有机物总量的直方图．据图回答下列问题1作为一个完整的生态系统图 sketch template
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如图为一个池塘生态系统请回答问题1水草浮游等植物是生态系统中的 鱼虾等动物是生态系统中的 还有一些们看不到的生物它们是生态系统 sketch template
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如图为一个池塘的生态系统请分析回答下列问题1在此生态系统中生产者是 在该生态系统中没有画出的生物还有 它们在一个生态系统中也 sketch template
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9．如图为某农田生态系统示意图请据图回答1在此农田生态系统中昆虫吃草子鸟兔都禾谷类为食食虫鸟能够捕食昆虫又可被鹰捕食鹰还可 sketch template
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如图是一个池塘生态系统请分析回答下列问题1在此生态系统中生产者是 在该生态系统中没有画出的生物有 它们在生态系统中也是具有重要 sketch template
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如图是某农田生态系统示意图请据图回答下列问题．1该生态系统中生产者有什么2该生态系统中细菌真菌扮演着什么角色3影响该生态 sketch template
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如图是某池塘生态系统的食物简图请据图回答1若作为一个完整的池塘生态系统除了如图所示的组成成分外还应包括 部分和 者．2该生态 sketch template
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如图是某池塘生态系统的食物简图请据图回答1若作为一个完整的池塘生态系统除了图中所示的组成成分外还应包括 和非生物部分．2该 sketch template
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如图是细菌结构的示意图请根据图回答问题．1填写图中各部分名称A B C D E F ．2与植物细胞相比细菌结构中没有 sketch template
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如图是县某一农田生态系统中的部分植物和动物．请据图回答问题1进入生态系统中的能量是生产者通过 固定的 这些能量以 的方式储存在植物 sketch template
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如图为某农田生态系统对秸秆进一步利用的示意图请据图回答有关问题1在此生态系统的食物中共包含4条食物链．能量损耗最的一条食物链是水稻 sketch template
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如图是某生态系统示意图请据图回答1该生态系统中的生产者是 ．若要组成一个完整的生态系统除图中所示生物外还必不可的成分是 和 ．2 sketch template
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如图是某生态系统食物请据图回答1该食物中物质和能量最多的生物是草．2蛇和鹰的关系是捕食和竞争．3构成一个完整的生态系统 sketch template
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图是某农田生态系统中部分生物之间的相互联系示意图请据图回答1该生态系统中有5条食物链．2图中的水稻和杂草是生态系统中的生产者．3 sketch template
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如图是某农田生态系统中的食物．请据图回答下列有关问题．1图中共有 条食物链．2图中农作物属于生态系统成分中的 初级消费者是鸟昆虫 sketch template