题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:SL/HL Topic D4.2 Stability and change



 作者: admin   总分: 10分  得分: _____________

答题人: 匿名未登录  开始时间: 25年02月01日 01:26  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 1 题组 (共 4 题 4 分)
  1. Which of the following contribute to the problem of microplastic pollution . 59n-sb6auna;b inbnin marb-ai.nbn 5a6 n;n us9bine environments?
I. Persistence of microplastics.
II. Biodegradability of microplastic.
III. Non-biodegradability or microplastic.
IV. Increased biochemical oxygen demand.

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
  2. In Botswana, forest cover decreased from 18.8 million hectares to 15.3 milli4zmgdd(ve76dls8fvv5h j wmmv9* 6d;on hectares between 199s45gw; m6 d efld vhmmd(vdv6 78j*9vz0 and 2020. Calculate the percentage loss in forest cover during this period.

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
  3. Which of the following does not contrguw o .9xeprjm/**/mqibute to ecosystem stability?

参考答案:    

标记此题
4#
 
单选题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
  4. Why does leaching of nitrogen and phosphil6r t9q,, w:nlbm.b/lk ufd;ate fertilisers lead to an increase the Biochemical Oxygen Demand ,/ klw.;:rt dn9li6um,bbfl q(BOD) of local freshwater ecosystems (lakes and rivers)?

参考答案:    

标记此题
5#
 
问答题 ( 1.0 分) (组内1/3) 切至整卷模式 搜藏此题  
第 2 题组 (共 3 题 3 分) 当前第1/3题
题组内容描述:
5. David Latimer created the mesocosm pictured below. It was last watered in 1972 and has been sealed ever since that date. It is still viable (living).
a. Suggest why the mesocosm is persisting despite being sealed for over 50 yeaubi) ykc7fn:4 b2uf;grsy7 )ib buu2;fk4fn cg:.
参考答案:    

标记此题
6#
 
问答题 ( 1.0 分) (组内2/3) 切至整卷模式 搜藏此题  
第 2 题组 (共 3 题 3 分) 当前第2/3题
题组内容描述:
5. David Latimer created the mesocosm pictured below. It was last watered in 1972 and has been sealed ever since that date. It is still viable (living).
b. State two factors that are needed from oh o lowf/upx79nrg.2/j1mp1 ikf 4of4 p;:gd outside the sealed system to maintain it.fdpj/;h o p7orgo2if4um:1 np4 x/1okgwlf 9 s
sustainability.
参考答案:    

标记此题
7#
 
问答题 ( 1.0 分) (组内3/3) 切至整卷模式 搜藏此题  
第 2 题组 (共 3 题 3 分) 当前第3/3题
题组内容描述:
5. David Latimer created the mesocosm pictured below. It was last watered in 1972 and has been sealed ever since that date. It is still viable (living).
c. Discuss to what extent this ya.-d/rtq nq :sealed mesocosm models the ecosystem of planet earth.y /:qq.anrd t-
参考答案:    

标记此题
8#
 
问答题 ( 1.0 分) (组内1/3) 切至整卷模式 搜藏此题  
第 3 题组 (共 3 题 3 分)
6. Outline the role of keystone species in the 9allf1t y -f:jmaintenance of a stable ecosystem.fj 1:yflt-9al
参考答案:    

标记此题
9#
 
问答题 ( 1.0 分) (组内2/3) 切至整卷模式 搜藏此题  
7. Fish are a renewable resour4l.snskice2 gq 4y j/5ce for human consumption. Outline how harvesting of fish can4.isy/kj5c2gq4e lns be sustainable and how sustainability can be assessed.
参考答案:    

标记此题
10#
 
问答题 ( 1.0 分) (组内3/3) 切至整卷模式 搜藏此题  
8. Describe, with an example, how the changes that occur in primary .u9d)l -bis tzsuccession can lead to a c-)9l. bzt sduilimax community which has cyclical succession.
参考答案:    

  • :
  • 总分:10分 及格:6分 时间:不限时
    未答题: 已答题:0 答错题:
    当前第 题,此次习题练习共有 10 道题
    本系统支持习题练习,作业与考试三大模式,作业考试自动评分,成绩排序一键导出,可设定动态变量同一试卷千人千题
    如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

    浏览记录|手机版首页|使用帮助|题库网 (https://tiku.one)

    GMT+8, 2025-7-12 21:06 , Processed in 0.163202 second(s), 47 queries , Redis On.