But recently, scientists discovered that overlaying this tree of life is a dense network of bacteria, and these bacteria are actually tying together species that were completely separated before, to what scientists are now calling not the tree of life, but the web of life, the network of life.
但科学家最近发现在这生命之树下， 是个密集的细菌网络。 而正是这些细菌 将那些原本无关的物种联系起来， 科学家不再称之为生命之树， 而称为生命之网， 一张连接生命的网络。