本题目来源于试卷: Human Population Carrying Capacity，类别为 IB环境系统与社会
[单选题]
Figure: Population gro .s/fs)f ljec:j2n y n8wth a vrhb(-s1eoucxi+ 5 4jnd carrying capacity
Deduce which of the following would most likely cause the trend seen at number 3 in the Figure.
A. Overpopulation
B. Pollution destroying soil that grows plants
C. A species going extinct
D. Deforestation
参考答案: B
本题详细解析:
Overpopulation leads to a population exceruqnib21/ gp ex)*j9neding the carrying capacity of an environment, not degrading it, so ption A is not correct. Destruction of soil leads to less ability to grow plants, which are the basis of food webs. This reduces carrying capacity so option B is the correct choice. Option C is incorrect as it does not reduce the area's ability to sustain organisms; it just changes the makeup as a species is removed. Option D is incojbiunr *e )/q29xn1pg rrect as deforestation might lead to a higher carrying capacity in some situations and less in others.
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