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 i,0 /nuybg ; lb+id5wlen ma;l,bwb/0 gidyl+une 5 rine 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 milluhhzrh w :2h; e9uy-i*ion hectares between 1990 and 2020. Calculate the percentage loss in foresy2*i u uzrh e;h-h:w9ht 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 contribu n.r m4,glpl w.ku51pvte 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 ndp69r x8befr .uo 15ojitrogen and phosphate fertilisers lead to an increase the Biochemjo8f.5 ox6 b1dup9er rical Oxygen Demand (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 mesoco ld htug;/na063 kxj3ism is persisting despite being sealed for over 50 years.h 3i ludkj0/ g6;3xant
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 outside the sealed system to mv bp0o7udl1;yaintain ip;7l0bv oyud1 ts
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 u*izp(2r9oy;kp qg l* this sealed mesocosm models the ecosystem of planet eak iy;o* rlpz*q2 u9(pgrth.
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 specsd 5 ebd.a4x1mies in the maintenance of a stable ecosystem.45db1. mesda x
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 resource for human consumptm j18l df21rwah//zjdion. Outline how harvesting of fish can be sustainable and how sustainazrjhd /2fj1law 81md/bility 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 suco2* +aj(w4f k6:hqpx pszrk9mcession caxp2: jhqozkp6wk*9sa4f ( m+rn lead to a climax 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|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

    GMT+8, 2025-4-25 05:23 , Processed in 0.131648 second(s), 47 queries , Redis On.