An animal or plant that nourishes and supports a parasite; it does not benefit and is often harmed by the association.

Eugene Rosenberg has written:

'Microbial Ecology and Infectious Disease'

'Microbial biology' -- subject(s): Microbiology

'Cell and molecular biology' -- subject(s): Cytogenetics, Molecular biology

'Beneficial microorganisms in multicellular life forms' -- subject(s): Host-bacteria relationships, Microbiological Processes, Symbiosis, Microorganisms

Biology is the science that studies living organisms and life itself. It includes all the biological sciences: medicine, Zoology, Botany, Mycology (fungii), Agriculture, Morphology, physiology, anatomy, astrobiology, and a host of others. See related links.

According to my Cell Biology Lab instructor, since the bacteria is anaerobic organism, it'll be difficult for them to live outside the host's body.

Biology