4.下列关于种群特征的描述正确的是 A.诱杀害虫的雄性个体对种群密度影响不大b.出生率和死亡率是种群最基本的数量特征c.年龄组成为衰退型 Template




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tomski4.下列关于种群特征的描述正确的是 a.诱杀害虫的雄性个体对种群密度影响不大b.出生率和死亡率是种群最基本的数量特征c.年龄组成为衰退型 coloring