生物与环境 Flashcards by 小飞侠拯救世界的 | Brainscape

Q

_____是种群最基本的数量特征。

A

种群密度

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Q

种群的特征

A

种群密度
出生率和死亡率
年龄组成
性别比例

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Q

直接决定种群密度的是_____、_____。

A

出生率和死亡率迁出率和迁入率

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Q

年龄组成是通过影响出生率和死亡率_____影响种群密度的。

A

间接

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