An organism that lives on or in a host and harms it is usually called a parasite. When the relationship mutually beneficial instead of harmful, it is called a symbiote.
A parasite.= )
It depends on what type of relationship they have. Parasitism is when one organism lives in or on another organism and harms it. Mutualism is when two organisms benefit from their relationship. Commensalism is when one organism benefits from the relationship and the other is not helped, nor is it harmed.
It is a symbotic relationship in which one organism lives in or on another organism(the host) and consequently harms the squirrell while it benefits from it.
This type of relationship is known as parasitism. The organism benefiting is the parasite, which derives nutrients or resources from the host organism, ultimately harming it. Examples include ticks on mammals or mistletoe on trees.
parasite
This is called parasitism.
A natural relationship in which one organism lives in or on another organism and benefits from the relationship while the other organism may be harmed is a parasitic relationship.
This type of relationship is commensalism. It is a type of symbiosis.
The environment in which an organism lives is its habitat.
A parasitic relationship occurs when one organism lives on or inside another organism and benefits by feeding off of it, often harming the host in the process.
The part of an ecosystem where an organism lives and feeds is called its habitat.
Symbiotic.