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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 3047 Oppa Pika Style by Itz Rakhi
sketch 4942 Woman by Abbie Hayman
sketch 1439
sketch 308
sketch 4383 4383
sketch 68512
sketch 1614 uncle bun
sketch 673 Peachy mouse

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sketch 4921
sketch 5188 Paul Walker by Taï Marsan
sketch 1459 khvjkhu
sketch 894 hmmm
sketch 1145
sketch 4760
sketch 4503 Naruto Biju Mode by Jessie Lightwood
sketch 20594





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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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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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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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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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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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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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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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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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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下图为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共有 条食物链沿着食物链进行着 循环和能量 sketch template
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生态系统 智汇三农 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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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营养环节最的 sketch template
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如图是某学校生物小组对农田生态系统调查后绘制的简图据图回答问题1食草昆虫青蛙蜘蛛鼠蛇是此生态系统中的 者．作为完整的生态系统的 sketch template
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18．如图表示生态系统中各成分之间的关系请据图回答．1图中植物是生态系统中的生产者动物是生态系统中的消费者动物与植物通过食物关系 sketch template
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请据图回答下列问题1图1是某生态系统中四种生物数量直方图若甲乙丙丁构成一条食物链则可以表示为 2从四种生物的数量看生产者是 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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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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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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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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右图是某一农田生态系统示意图请据图回答．1该生态系统中非生物成分除了水空气土壤外还应该有阳光阳光．2请将下列生物与在生态系统 sketch template
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如图是某生态环境的示意图请据图回答下列问题1此生态系统中生物所需的能量根本来源是 ．2在此生态系统中最基本最关键的生物组成成分是 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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17．如图为某生态系统示意图请据图作答1细菌和真菌在该生态系统中扮演的角色是分解者鹿和兔之间是竞争关系2请写出该生态系统中的一 sketch template
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题目下面图1表示某种绿色植物图中ABC表示生在植物体内的某些生理过程图2是某生态系统中碳循环和能量流动示意图请据图分析回答下列 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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3．如图是某山区农田生态系统的食物据图回答1目前农里还存在着“猫头鹰是不祥之鸟 的错误想法从图中猫头鹰吃田鼠的事实说明猫头鹰是一 sketch template
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如图是生态系统四种组成成分的关系图解请据图回答1图中甲表示生产者生产者丙代表的生物主要是分解者分解者．2图中的A过程是通过光合 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
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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表示某农田中生活的几种生物请据图回答1这个生态系统的能量来自稻的光合光合作用所固定的太阳能太阳能．2该农田生态系统的生产者是稻 sketch template