Parasitism is defined as a relationship between two species in which one organism (parasite) lives on or within the other organism (host), causing the host some degree of harm. A parasite reduces its host's fitness but increases its own fitness, usually by gaining food and shelter.
Answer: a parasitism is: the practice of living as a parasite in or on another organism.
Parasitism is the interaction between two species where only one benefits from the other organism and the other is harmed in return. The one that benefits from the other organism is called a parasite, while the organism that is being harmed is called a host.
Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision gives a classification of recognised mental health disorders in the form of DSM-IV codes.
The fear of clowns is described as a specific phobia with a code of 300.29.
A specific phobia is a fear that lacks a reason or rational against an exposure to a certain object or situation.
Such specific phobias can leads to a disability in normal life as people suffering from such phobias tend to avoid situations where they may encounter such phobias.
The fear of clowns is known as Coulrophobia which is a type of specific phobia when it interferes with the normal functioning and is persistent.
Since Francis becomes anxious upon seeing a clown since he was 6 years old and the fear persists and he avoids going to places where he sees clowns, he has specific phobia against clowns.
