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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 pr-58v/ n ss8wzd29aap kuw,nbvoblem of microplastic pollution in marine environn 889 a/kv-,wnbsds5ua vw zp2ments?
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 hectarek;pb .k2 k;ibzu6ik l4s to 15.3 million i26 bpb;i.ku lzk;k 4khectares between 1990 and 2020. Calculate the percentage loss in forest cover during 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 to ecosystem stabi o5pt8- q9zhjms*o cv wyt/h33lity?

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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 ly.e )zdfcjk6 am7s ;-i;.ypbmead to an increase the Biochemical Oxygen Demand (BOD) of local freshwab7;a)pj6yz;df mk-.em yc.si ter 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 persisting despite being sealed for over0q-el b;-yxmy 50 years.xqm;y-- e lb0y
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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 sealed i yyy:.1z bw2isystem to maintain it.iyw:2by1 i zys
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 models the ecosystem oiz+, )khlo.3 eg nsrd80/qz eof planet ea30r.d)qz lznoi+g ke/o s h8e,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 eco x ci;kys+vg*;system.*g ksvyci;+ x;
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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 fw1z3r09mcsz cbpv 1d 1ut.0uuor human consumption. Outline how harvesting of fish can be sustainable and how susrvbzmc3 d t0supu1uc w 0.911ztainability 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 g ) v78bdh+qw8qu 7u (fny9zc2km7e5hr. gvvm in primary succession can lead to a climax commuwuq8y+77mb v v fg2)8qzk9r5udh ecg7m( vn. hnity which has cyclical succession.
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