Which of the following types of microorganisms are the most beneficial to other organisms in an ecosystem?
A.
Bacteria that undergo fermentation to produce vinegar and alcohol.
B.
Viruses that infect a host but do not cause harmful side effects to the organism.
C.
Viruses that cause disease and infection to spread in plant and animal populations.
D.
Bacteria that decompose dead matter and recycle nutrients back into the ecosystem.