本题目来源于试卷: Continuity and Change D.10 Natural Selection，类别为 IB生物学
[单选题]
Which statement is true ofgvy l x)y92dq4 punctuated equ-gi0dk z teds( xl(89gpxv(/f ilibrium?
A. It doesn’t account for intermediate evolutionary forms.
B. It involves changes happening gradually over time.
C. It is not supported by the fossil record.
D. It has periods of rapid evolutionary changes.
参考答案: C
本题详细解析:
The punctuated equilibrium is a theory that evolutionary development has long periods of stasis punctuated by short periods of rapid change (Choice D). Choice A is incorrect as punctuated equilibrium explains that long periods of stability are interrupted by periods of rapid evolution and so accounts for intermediate forms. Choice B is incorrect, as punctuated equilibrium causes evolution to happen rapidly. Choice C is incorrect, as punctuated equilibrium is supported by the fossil record.
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