There are 9 conditions associated with metallic taste in mouth, strange smell or taste, taste of acid in mouth and unusual taste in mouth.
A relationship in which one organism lives on or inside another  organism and harms it is called parasitism.This is a form of a  symbiotic relationship. Edit. Share to: Judy Olmsted. 79,817 Contributions. Retired college science professor. Member of Beta Beta Beta Biological Honor Society. relationship in which one organism lives on or inside another  organism and harms it is called parasitism.
An organism that lives in or on a different kind of organism (called the host) from which it gets some or all of its nourishment. Parasites are generally harmful to their hosts, and in some cases they may even destroy the other organism, although more often the damage they do is minor.. Biology An organism that lives and feeds on or in an organism of a different species and causes harm to its host. 2. a. One who habitually takes advantage of the generosity of others without making any useful return.