题目内容：
下列有关自然种群的不规则波动说法正确的是( )
A.周期性的或少见的数量波动
B.周期性的或常见的数量波动
C.非周期性的或少见的数量波动
D.非周期性的或常见的数量波动
参考答案：
选择题：下列有关自然种群的不规则波动说法正确的是( )
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- 题目类型：选择题
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