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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 con/c 8es m) mrjy6/4pmmstribute to the problem of microplastic pollution in marine environment/ y6sem m/j4cps)m8rms?
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 mo ,ps ug/i 8/+luys0ihillion hectares to 15.3 million hectares between 1990 and 2020. Calculate the perce,ou yhg0/s+/lpi usi 8ntage 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 eco e 5ksb lvn8s:yztu4(+n8 lg)gq9majqr3 s;j8system 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 nitrocqxc6hw+ j( 1ogen and phosphate fertilisers lead to an increase the Biochemical Oxygen Demand (BOD) of local freshwater ecosystecxw6+1co(h jq ms (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 despitcf evw/vt(fwe7;9d + 69dunzse being sealed for over 50 yearsw7+cfdv9; tu zs9 wnfe/(6ved.
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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 syf o80tztl*dw 3j sv7ir;+bg6b stem to maintain bj73bwt;s 0 lg+zr6t8fvdi*o its
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 esomqh,poo/ / uu/4n7qxtent this sealed mesocosm models the ecosystem of planet earthq/u/ /suhmq 7o 4,onop.
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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 keys6:ou oba(9t d0f n3j*wvv9j ahtone species in the maintenance of a stable ecosystemt06b 9oona(a3 f:w9 djvjh*v u.
参考答案:    
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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 xy+vgb 3k+lqfsd ,y: q;m,uw*for human consumption. Outline how harvesting of fish can be sustainable and, + df*:k3vls; ,xuqgb w+yqym 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 oc 90oyz1 tpgvl)d)jazp9-u h9wcur in primary succession can lead to a climax communtj19h0)9uwp y a oz)9gp -vlzdity which has cyclical succession.
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