《死亡繁殖》是由乔迪·德怀尔执导的恐怖片，内森·菲利普斯、雷·沃纳尔等人主演，于2008年上映。 影片讲述了朋友四人来到澳大利亚的塔斯马尼亚岛却遭遇食人族的故事。
这会影响它们的神经系统和繁殖幼鸟的能力，并可能导致肾衰竭和死亡。
This affects their nervous systems and ability to produce baby birds, and can lead to kidney failures and death.
这是因为那些非对称分个所得子细胞中的弱者有可能在繁殖之前就死亡，这样就浪费了他们所吸收的食物。
That was because the runts tended to die before they could reproduce, thus wasting the food that they had already eaten.
当一种动物不能在每一代都繁殖出足够的后代而与其死亡率保持一致时，它就会逐渐灭绝了。
An animal species becomes extinct when it fails to produce enough young in each generation to keep pace with the death-rate.
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