Another is whether a set of bacteria is essential for basic human physiology—in other words whether humans really are symbiotic creatures who would die without their collaborators.
Another is whether a set of bacteria is essential for basic human physiology—in other words whether humans really are symbiotic creatures who would die without their collaborators.
另一个问题就是，一种细菌是否是人体的基本生理所必需的，换句话说就是没有这些共生者人类是否会死亡。