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习题练习：SL/HL Topic D4.2 Stability and change
本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 594 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://tiku.one/test594.html
 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

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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 contribute to the problem of micrfdti(+( td iv/w b*ty+oplastic pollution in marv*dbtdtf+iwi+/ y( (tine environments?
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 f/b2tt k -a0ep ps1nvpsdt*2,arom 18.8 million hectares to 15.3 million hectares between 1990 and 2020. Calculate the percentage loss in forest cover during this 1 k,st/2ta0 d*a-tb2vs nepp pperiod.

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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 contribu ndzwk rr;ff(k56;mf;sf rcs9:,s/if te to 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 phosphate fertilisers lead to a* lhrx 9uved15rdq 1jmce6m qw0x1s0*pplv2. n increase the Biochemical Oxygen Demand (BOD*0x rem 05pddjq 6q*sc. 192lue 11rvh mxlpvw) of local freshwater 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 mesoc9* wsmab/ r53vtllo1vosm is persisting despite being sealed for over 50 years.mv5a3olvs 1/bw * l9rt
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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 sead 6 ugg) .w2qok5qs0pr q6v5fcled system to maintain its s.ufg5)od2g0 w6c65qp rqqkv
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 extent this sealed mesocosm m00 djp eryju t1 ,i83qi-3ptz pi1x1plodels the ecosystem of planet ea1t-u 81r 30,dlexj0p3jp 1i qppt ziyirth.
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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 )oy ofp,5kpt6 -ygaw1 in the maintenance of a stable ecosystem5yty wok) 1p- 6ao,pfg.
参考答案:    
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教师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
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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 renewable resource for 3txs8)prk *cb human consumption. Outline how harvesting of fish can be sustainable and how sustainability can be assessed8* xrp bk3cs)t.
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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, hz3l pgeyg dr-i,d1dx 3 90ari+ow the changes that occur in primary succession can lead to a climax community which has3x-91r3 gil iegr d+z, y0pdda cyclical succession.
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