As Charles Darwin observed, natural selection operates whenever individuals of one genetic composition are better at reproducing than that of others.
that of others
the other
another
those of another
that of the next
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找准比较对象，根据 reproducing判断，比的是 individuals of one genetic composition 那么than后面和其对应选择 ： those of another. 因为根据单复数原则 those指代 individuals； another指代 composition
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找准比较对象，根据 reproducing判断，比的是 individuals of one genetic composition
那么than后面和其对应选择 ： those of another.
因为根据单复数原则 those指代 individuals； another指代 composition
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