本题目来源于试卷: IB ESS Unit 2: Ecosystems & Ecology，类别为 IB环境系统与社会
[单选题]
Figure: Growth curve of a popula v2ub;hx 4l n.hgcxo73t w j iwl g9+nkj,mg:cn;1z1yb4ion
Identify the part of the graph that shows an ‘overshoot' of the population.
A. graph A
B. graph B
C. graph C
D. graph D
参考答案: C
本题详细解析:
A population that is not limited wf8w*sil nv5 i8nmw0s0ill experience exponential growth, as shown at A. Once the population reaches the stage that can be supported sustainably by the area (carrying capacity, shown at B), any further growth as shown at C is an ‘overshoot'. This is usually followen l00 wsm8 v8ii5*wnsfd by a decrease in population size. This is known as ‘dieback' as shown at D. The population fluctuates around carrying capacity in a steady state equilibrium.
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