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习题练习：SL/HL Topic D4.2 Stability and change
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 594，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://5edu.win/test594.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 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

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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 cont17 -ov1d3az/ oiaj qq:1l*z 0plyhtiqribute to the problem of microplastic pollution in marine enviri 131*h7oql: tyq0d/aa1i z zopjl-q vonments?
I. Persistence of microplastics.
II. Biodegradability of microplastic.
III. Non-biodegradability or microplastic.
IV. Increased biochemical oxygen demand.

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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 oyo,y , 9np8kf0)hjv z8* +loxzr-epb hectares to 15.3 million hectares between 1990 and 2020. Calculate the percentage loss in forest cover durin 9 l*roh-+8byzo)80p kop,z,yjxvfn eg this period.

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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 contribute t();w )3p, ouhv wgntmvo ecosystem stability?

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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 pho0a t,.yw1q v 6jt9qadovfdr 31sphate fertilisers lead to an increase the Biochemical Oxygen Demand (BOD) of local freshwa,v v 6d aq 1jtwfr30.ytq9d1oater ecosystems (lakes and rivers)?

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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 per e5 j rjf+e;gc,tayy,)sisting despite being sealed for over 50 years.gfa y,ejty j;)+r,ce5
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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 s 5ubl* (dn,xqympw* w1ealed system to maintain itsu *lmy5qw 1w,xbdp*n(
sustainability.
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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 exten 4wehpf5f 8l wo75. v:lpprml7t this sealed mesocosm models the ecosystem of planet ea8v.flp p74 pfwhm75 5lore lw:rth.
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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 ecoslcffsvy+d 9ijcg gh8: +*f1v ;ystem.c+ +g i9f:v8 flf*1;gvjsdcyh
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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 renewablye +ginwkx+l 2n1 ;jf,3ghi p7e resource for human consumption. Outline how harvesting of fish lie12 f i7; x+kp3wjn,+ ghygncan be sustainable and how sustainability can be assessed.
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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 primaryykc:7 g)ky0awd1kt afc+x:(j succession can lead to a climax community which has cycliay+:fj 1(ck 7 dxkk:0wag)cytcal succession.
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