Ninety Percent of the Cells in the Human Body Are

Ninety percent of the cells in the human body are microbes-mostly prokaryotes and some microscopic eukaryotes.Which statement about human microbiomes is true?

A) Uniform communities of well-characterized bacterial species cover every surface of the human body.
B) Diseases in which our immune systems begin to attack our bodies have been linked increasingly to the changing diversity and composition of our microbiomes.
C) Human health depends on ridding the body of all microbes, both on the inside of the body and on the outside.
D) Human microbiomes are composed primarily of prokaryotic extremophiles.
E) Biofilms produced by human microbiomes are always beneficial to their hosts.