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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 contr2ps5+here ..u -jqu riibute to the problem of microplastic pollution in marine envir+.h2s i r p.eq-ujrue5onments?
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 millionov5;4a zx55en u bip0n hectares to 15.3 million hectares between 1990 and 2020. Calculate the percentage loss in forest cover during this period.5xbepn5o 0i5;a4vu zn

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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 1cckj 56pc9o8d row (h+jnf o+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 o(/ y3rdfb82tfc b *adtf nitrogen and phosphate fertilisers lead to an increase the Bioche *d/f28 (bafdtt3byrcmical Oxygen Demand (BOD) 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 mesocosm is persistinah 5k21n5z/ ,s1 awgev,dffycg despite being sealed for over 50 years5c/fa,e h 5 1d1 s2fnvwya,zkg.
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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 f 8o1wirbl k1-dgi8n- yrom outside the sealed system to maintain its 1dn-w kolg -i8rb1iy 8
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 extenty i2ta +jry;dm/4y 0qb rie(9q this sealed mesocosm models the ecosystem of planet earth.j9abqi0 yd+ y4;ty e2qmir(r/
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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 djtg+j (f8:p zthe maintenance of a stable ecosystem.jf+(jp dt:8gz
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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 consumption. Outline how harvestingtn/ 7fu01 ku xas9pz4b of fish can be sustainable and how sustainability can be assept1x 7k/ za0nb 4sf9uussed.
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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 chang,a rjipyaf575es that occur in primary succession can lead to a climax community which has c7fa55,a i ryjpyclical succession.
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