This fighting hypothesis, where an imbalance in the population results in an advantage for left-handed fighters or athletes, is an example of negative frequency-dependent selection.

这斗争的假设因人数上的不平均造成左撇子的战士或者运动员有优势，是一个很好的负频率相关选择的例子。

All those are ways in which they could experience a little bit less of a negative selection from all this variety of changes that we're seeing through climate change.

在所有这些方式中，它们可以从我们通过气候变化所看到的各种变化中少经历一些负面选择。