1a.Changes in the microbiome have to linked to all of the following except: a. obesity b. toxoplasmosis c. irritable bowel disease d. type II diabetes 1b. Bacteria can form colonies in various habitats like shower pipes, on medical devices or on teeth where they produce a polysaccharide rich covering that protects them from antibiotics.This is called A. a biofilm B.an endospore C.a pathogen D.a chemolithotroph.