birth when it comes into contact with its mother's flora that's why an individual's microbiome is similar to that of other family members. but similar does not mean identical. microbiomes are unique just like fingerprints. and throughout our lives the microbiome constantly interacts with the environment we pass our microbes along to objects people and animals and receive there is a return to healthy microbiome researchers believe it's stable because it's diverse . cloudier title hoffman is now trying to determine who and how to exact microbial makeup. that's no easy task because there is no way to distinguish between species under a microscope. each bacteria