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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 followhy--f,8trz zf)8py*ik xr w 2xing contribute to the problem of microplastic pollution in mar*2hr z) 8zywfk-8y, f- pxxitrine 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 from 18.8 million hectares tot:32cu82.o zhnac:glom 6g in 15.3 million hectares betw 6cto2 8unai :o:lg3 czgm.2nheen 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 conq(:s0c1cr;lxa zf . satribute 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 phorqlh0w( j+:wc sphate fertilisers lead to an increase the Biochemical Oxygen Demand (BOD) of local freshwater ecosyst:cwhlq w(r+j0ems (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 be*daxvaxl 9y-c s y)35eing sealed for over 50 years.v )a*ec x3l9yd-xs5ay
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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 system tok/;f9fs6r q)3i h+yttb et;jz maintain i 6ey9zt/rfh;ts3)j+f ikqt b;ts
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 ecosyst2; /c e/yyvyu cs5 18y9k(fozjiy/bxwem of planet earthscoi5y/xj ywy8u 2; 1b/yek/ 9( yvfcz.
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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 keystqy g +6eab*2ceone species in the maintenance of a stable ecosystem b2ge* 6c+yeqa.
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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 human consumptix -l2q *yf:h7qji k0n 62o);klr sashzon. Outline how harvesting of fish ca2 s0noq kz6*haji:lh2-krfqx7s) ;y ln 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 t18d2l mf downd)++l uphe changes that occur in primary succession can lead to a climax commu) od+ldnmld1w+up8 2 fnity which has cyclical succession.
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