An organism found on human skin that derives benefit from but does not harm the host is described as a(n)

Question

Quizplus · Accepted Answer

A commensal organism lives on or within a host without causing harm or benefit to the host. Therefore, by definition, it derives benefit from the host. A parasite may also derive benefit from the host, but it harms the host in the process. An opportunist may take advantage of a weakened host but does not necessarily derive benefit from it. A pathogen causes harm to the host. A mutualist benefits from its association with the host, as does the host from its association with the mutualist.

An Organism Found on Human Skin That Derives Benefit from but Does