It's coevolution and it's an arms race.

这是二者的共同进化，也是一场军备竞赛。

Most of the world's ecosystems are the result of millennia of coevolution by organisms, adapting to their environment and each other until a stable balance is reached.

世界上大多数生态系统都是生物体数千年来共同进化的结果，它们适应环境并相互适应，直到达到稳定的平衡。