首页 › 专项卷 › 四川省富顺县永年中学校2020-2021学年七年级上学期第一次月考生物试卷

admins 发表于 2021-8-18 22:42:22

四川省富顺县永年中学校2020-2021学年七年级上学期第一次月考生物试卷

※题型：单选题※知识点：单选题※试题难度：中等<br>下列不属于生命现象的是(&nbsp;)<br>A.老鼠取食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.牛咀嚼草<br>C.蜗牛爬行&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.石头从山上滚下<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/904c9cbb76e946c8bd1c752cfbe7d40c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>生物的物种既能保持基本稳定,又能不断进化发展是因为生物具有下列哪种特性(&nbsp;)<br>A.生殖和发育&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.遗传和变异<br>C.生长现象&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.具有一定的结构<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/902056215a63480d950b8ccaa09275f3/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>生物与环境的关系是(&nbsp;)<br>A.环境对生物的生存总是有利的<br>B.环境对生物的生存总是不利的<br>C.生物与环境相互作用<br>D.生物与环境之间没有关系<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/f5ea3089900746ad8196e10535583a76/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列哪项不是影响生物生存的非生物因素(&nbsp;)<br>A.蝴蝶&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.阳光&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.水分&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.温度<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/862b4b8986ba474fa550afe7ec1b9f9c/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>我国南方地区,森林覆盖率高,往往降雨较多,而且气候湿润,这种现象说明(&nbsp;)<br>A.生物能够影响环境&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.生物能适应环境<br>C.生物生存依赖环境&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.环境影响生物生存<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/a06b73ed7c5f4e39a47186051a0aa391/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列实例中不能反映生物影响环境的是(&nbsp;)<br>A.森林净化空气<br>B.蚯蚓增加土壤肥力<br>C.蘑菇在雨后生长快<br>D.浮游生物大量繁殖,导致水质恶化<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/867a5e06d69c42ab86bbbda3a7d8e28b/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>在寒冷的冬季,法国梧桐纷纷落叶,松树却依然葱茏是因为(&nbsp;)<br>A.法国梧桐不适应寒冷的环境<br>B.松树比法国梧桐更适合寒冷的环境<br>C.它们都适应寒冷的环境<br>D.松树与法国梧桐存在竞争<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/eac8cbb03f87449dae7eedfaf00cc931/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/02988955098d492d90a1f8ecbc2c900f/79B71E61B5C5AC8DA4356581053B1699.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列现象不是生物适应环境的是(&nbsp;)<br>A.仙人掌的叶变成刺<br>B.雷鸟的羽毛在冬天呈白色,春天换为灰色<br>C.秋天大雁从北方飞往南方<br>D.葱的地上部分呈绿色,地下部分呈白色<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/ee3c3376f0114c78925f2a3b0be02b70/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/7e7d342b969a42f9a75fb7c5dd251d2f/4F9261BCB992B086E63CF02D3FC7E089.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>“螳螂捕蝉,黄雀在后”描述的是(&nbsp;)<br>A.捕食&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.合作&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.竞争&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.食物网<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/360f5ac1de694d2a9bb68b266d7cfb73/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8c90bd0b8147497fa6d73c37c8eefd55/3879E9DA08CEBFC5316AE55D934531EA.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列生态系统中,属于生产者的是(&nbsp;)<br>A.草&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.食虫鸟&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.细菌&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.猪<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/1100f5dcf458459b81cc2b0d9e081c90/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/b14df5ad38d041d586665b28168bd76e/6D6C8971197ACED573E0EDE25EF65500.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生态系统中的生产者主要是指(&nbsp;)<br>A.进行生产创造的人类<br>B.以捕捉其他生物为食的动物<br>C.能利用光能,制造有机物的植物<br>D.能分解动植物遗体,在物质循环中起作用的细菌、真菌等<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/f8a92e975c3a47b38e0a92d81ff3d2b8/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/e94202e2e30e47799324ddada8982099/F641E5C14D2150D0C72C24C4B98882B1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列能构成生物圈的是(&nbsp;)<br>A.地球及生物&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.湖泊中的所有生物<br>C.地球上的所有的人类&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.森林中的所有的树木<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/c2c4b6949ef8405e9acee8786901820f/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/6d516071534d4412b3878ee42d4e0a93/1CAAC5AB12673A05166F78858458A630.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在一个生态系统中,“蘑菇”通常属于(&nbsp;)<br>A.生产者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.消费者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.分解者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.非生物成分<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/d76d440fbccd44d88900982a930559ca/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/cd2b7dc56dfe4ae98c61047f1bc1db45/11A216A69B372F26AB41087DBBEB6B41.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>生态系统中的各种生物相互依存,在下列吃与被吃的生物关系中,能构成食物链的是(&nbsp;)<br>A.白菜→菜青虫→食虫鸟<br>B.阳光→牧草→牦牛<br>C.蝗虫→青蛙→蛇→鹰<br>D.水分→牧草→绵羊→牧民<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/05d4e9f9c4384065897e2035bd64ee37/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/245ee04053a64c52bd65f8c88d609aea/152C42C6D6CFA2B6FF4A4A382A70659C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>地球上最大的生态系统是(&nbsp;)<br>A.生物圈&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.海洋生态系统<br>C.陆地生态系统&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.草原生态系统<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/9f0a4cda2e6c43bc81e6c2bcfa472fc7/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/a7a03e91057a4453b3d6a39f38a2c139/EFA3C64240CD100500E2061CCA59E5DD.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生态系统的成分越复杂,自动调节能力越强,下面调节能力最强的是(&nbsp;)<br>A.草原&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.森林&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.农田&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.沙漠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/7abeebcafe5742c49c6955181adb7d2f/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/602bd87f9cec40cab6524a8cca5a94c1/987C9F9CD9AEF7AB4060312BD9616C12.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>鲨鱼通常生活在下面哪个生态系统(&nbsp;)<br>A.淡水生态系统&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.海洋生态系统<br>C.湿地生态系统&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.池塘生态系统<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/5693095296de4c85bdc60103b266b698/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/b84a297b58624e2fbec0b75a2ee6c566/89D90339FD1E17C245BE75C2309A89A1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>人属于生态系统中的(&nbsp;)<br>A.生产者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.生产者和消费者<br>C.分解者&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.消费者<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/054260fcfea749b58fa40b4cb114875e/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/9d8007c427884cb8b3da74d5ab2c8417/3194492824BADC9779CCB71AC2C156F7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>属于生产者与消费者关系的是(&nbsp;)<br>A.青蛙捕食昆虫&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.松鼠吃蘑菇<br>C.蛇捕食青蛙&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.兔吃草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/e2057a100d3d4a0a932a60a840a52cba/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/b77fdf2d59204d87a53c7dbba603b92f/758D32C0C7AD9B4A3DC73E5539FC68E1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>动物是食物链中的消费者,是食物链的重要组成部分,以下语句中不符合这句话涵义的是(&nbsp;)<br>A.动物只能以植物为食<br>B.动物是食物链中不可缺少的部分<br>C.动物和动物之间存在着捕食和被捕食的关系<br>D.植物和动物间有一定的营养联系<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/ad6e46b43bd6418889b6f47b0565fdc8/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/10be71da377c4a1c9fa38aaf42e4b17e/52960D8F638008BF4AE03661C4D52980.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>在草→鼠→蛇→鹰这条食物链中,如果有毒物质进入生态系统,则体内有毒物质积累最多的生物是(&nbsp;)<br>A.鹰&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.蛇&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.鼠&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.草<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/e2f7ce91cb82467cb2a604208af0869a/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/f7e1f180e69549eeaec468243d9185d2/BEEB5BFB118A8A3A6717C7D0BE380156.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在一个草原生态系统中,由于大量捕杀狼,导致狼在草原中灭绝,草原中的兔将会(&nbsp;)<br>A.增多&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.减少<br>C.先增多、后减少&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.维持不变<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/96f61708225143d7b4ac4d362a757837/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/d3bce98d9b954032b59a18367bd2f302/3718F464A4C094670270D19F877B6D03.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生物圈包括(&nbsp;)<br>A.大气圈的下层、水圈、岩石圈的上层<br>B.大气圈、水圈、土壤圈、岩石圈<br>C.水圈、土壤圈<br>D.水圈、土壤圈、岩石圈<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/717b51c832aa46d98d5bd38f2056493e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/15727616723c4780be315b942dd42be5/8BB25D53178B4BADFFB48A3CEE7474FB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>显微镜调节光线强弱的结构是(&nbsp;)<br>A.粗准焦螺旋&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.遮光器&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.物镜&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.目镜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/93744e15b4d04d1a9f63759322eb2769/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>在显微镜下观察到玻片标本上的一个物象在视野左上方,若要将此物象移至视野的中央,应将玻片向哪个方向移动?(&nbsp;)<br>A.右上方&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.右下方&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.左上方&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.左下方<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/a49bc2413fe1403b8011df87bfa345fc/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>某学生在显微镜下观察叶片横切面的临时切片,当转动细准焦螺旋时,对于结构完整的细胞,有一部分看得清晰而另一部分则较模糊,这是由于(&nbsp;&nbsp;&nbsp;)<br>A.物像受损&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.细准焦螺旋未调好<br>C.反光镜未调好&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.标本切得厚薄不均<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/69ccc294fc2e4c5cae12aefb3c188fa5/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/37ca3da833d74b328d4695a2cfd548f1/C41F58B357F7D262CDD28EAE13CE8645.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>环境中影响生物生活的各种因素叫做<br>。它分为<br>和<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/44a294dbecd14e08915d63c56c4f27ad/70A76345E422C1748E5F3E486C530304.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/5afca4ce6eca43e2b132d223d6a2f5fd/5905EF5660EBBFF8588FC060292012B2.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>生物生活环境中的非生物因素主要包括<br>、<br>、<br>、<br>、<br>等。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/83ba7a525aaf48fca4b3cde7096ca0a3/AA0346C2AB9FC53FB38F14C1A532B695.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ddaef1ad311c472590d24ef5b7cb52f4/04C7D10CB13468CF4B37AFDFB67E3635.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>下图为草原生态系统的食物网,请回答:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/2/22/FA0C4F2A2FE430C88008E154EFD815C6.png"><br>1.该食物网中有条食物链,写出其中最长的一条是。<br>2.从生态系统的组成分析,草属于,其它动物是。<br>3.在食物链中,数量最多的生物是,数量最少的生物是和。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/8d0154e11e714e3faedc503a9effb950/D40FF74D17F7E117EBB8F576D15179AB.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>生态系统由<br>和<br>两部分组成。其中生物部分包括<br>、<br>、<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/ba12de25dfa24aedabb51e6526e3d9ca/4E489B0E398517ED875742D147EC959A.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>生态系统有森林生态系统、草原生态系统、海洋生态系统、农田生态系统等多种类型。其中森林生态系统的特点是:分布在较湿润的地区,动植物种类<br>,食物链和食物网<br>,自动调节能力<br>;农田生态系统的特点是<br>;地球上最大的生态系统<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/b0c7f2950ad84b8f89061b15f808a4c9/4D251BF9A730246838DA59FA067C1897.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：中等<br>生态系统中,不同<br>之间,由于<br>与<br>的关系而形成的链状结构叫做食物链。很多食物链彼此交错连接,形成<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/fe8b1942c05e4c0b9ac8091dcfaabdb4/1D34982DD9EABBA0E49F8BDE16D5FE8B.png"><br>解析<br>略<br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>如图是生态系统的组成图解,请补充完整。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/9/21/9BEFD2AA2A4B04527BE41D16781EEBB8.png"><br>①<br>;②<br>;③<br>;④<br>;⑤<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ba1a6affc22b4a1f8d3de1a765144901/006EF119F29523A262F91E5F84C396EF.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/fb06424462b044c5943dd93ac0de2dde/C3C38B52321F9326C18EA25218E8A83D.png"><br><br>

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