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: 游客未登录  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 oz,x d3j+6pl eqfm0gd(f microplastic pollution in m f+z3gxjd 0dq,(pe l6marine 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 si+w*/ jg zmo.p1ypwo;9 e oo8to 15.3 million hectares between 1990 and 2020. Calculate the percentage loss i ;m+8ge9ooo.wpi jw y zpo*1s/n 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 followint 9r m)fsx6k v9jcsp7mt p7cbi (p8./rg does not contribute 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 phosphate fertilhpy ch2h0l f:9 )is+b6kg .tiqisers lead to an increase the Biochemical Oxygen Demand (BOD) of local freshwatertksfq9:6hli.b0cgh y)i +p 2 h 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 ov: qxywm1p vfh :(y,-mzer 50 years.wq, ypy-1x(hvfmz :m:
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 frob q:+eno-.m/ es:b jpem outside the sealed system to maintain it+:- qsempe/joe n:bb .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 exhqx1*w5gn som .;m /swtent this sealed mesocosm models the ecosystem of planet ean*h;5xo / wwm1gq ss.mrth.
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 maintenance of a stable ecosyk -jng4pv; wg bnk9i( 5rc(:.obwc5 zpstemnc 9pno4wp:r z;c((b. vkw5b5-gkigj .
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 consumptionfzrbbr;rue363, h u r,. Outline how harvesting of fish can be sustainable and how sustaib r e3uur r;f,,zr63hbnability 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 examplen hbu-v1 s*q 8(w6kmek, how the changes that occur in primary succession can lead to a climax communik8qe( u6* whbnskv1- mty 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
本平台(https://tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
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, 2025-12-3 03:33 , Processed in 0.182198 second(s), 48 queries , Redis On.