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Begging by Nestlings (TPO11)里的第12题为什么是D 没看懂这篇阅读的最后内容 An individual's success in propagating his or her genes can be affected by more than just his or her own personal reproductive success. Because close relatives have many of the same genes, animals that harm their close relatives may in effect be destroying some of their own genes. Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise. 高手能大概告诉是什么意思吗? |
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