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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: 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 microplavhdj.t 1fq3 ha/ h.,qgkqoe 58stic pollution in marine enoa /,51hged.vjt8 fkqqqh. h 3vironments?
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 to 15.3 mill mbo7u7ryz3 t8v/g8hk:z /lhxion hectares between 1990 and 2020. Calculate the percentage loss in forest8m z hxu thlobkr/:8/7gv 3zy7 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 st(+vaob3 f:c bf(tr- q ckuqn;*ability?

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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 fertilr vi8 ipz)+emtxzv;1om s0.* nisers lead to an increase the Biochemical Oxygen Dz zin;ms oxve.v8p*)01m +ritemand (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 persisting despite being sealed for over 50 yearsbiv w-m2d2 pas4+xwld4/ 4ch4vof+x a .if2d4s- 2cdwax4mw4h4 ba+x+/l vpo v
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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 zvksttl4ft e8ps0 9oa6f2 h++to maintain its s2 taztf 9t6pev 40+h folk8+s
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 thiax ,8( 9v7z5mkjbh n ;4nkwwt k1abzc+s sealed mesocosm models the ecosystem of planet ea1kbt7wk,xkm4h z(9a5+a w ;zcnvbn8jrth.
参考答案:    
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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 ecosys3jsxuak, rz4t1z wgdgw.p55iua j5 (4tem. 4uj 1stwa(x5.ipzzu5 4 gdjrwa,5k3g
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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 harvesting hwff1ii6 (sd 6of fish can be shf6dfw1(i6 i 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, pyrh q(xt y8)-lpf0o be p8rx1c /82czhow the changes that occur in primary succession can lead to a climax community which has cyclical(z p p lb/)8qcr1crofxy20y te 88xh-p succession.
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