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A '''parasite''' was an organism that acquired sustenance from a host organism, usually at the host's expense. They were regulated by their metabolisms, so an ecosystem was not overrun by them. ([[PROSE]]: ''[[Parasite (novel)|Parasite]]'')
A '''parasite''' was an organism that acquired sustenance from a host organism, usually at the host's expense. They were regulated by their metabolisms, so an ecosystem was not overrun by them. ([[PROSE]]: ''[[Parasite (novel)|Parasite]]'')


Parasites could operate on any level, either biological or even universal. The [[Red leech]] fed off of a single host, ([[TV]]: ''[[The Crimson Horror]]'') while entire races like the [[Nimon]]s and the [[Stingray]]s used up whole civilisations, with the latter consuming the entire surface of a planet and reducing it to dust, ([[TV]]: ''[[The Horns of Nimon]]'', ''[[Planet of the Dead (TV story)|Planet of the Dead]]'') and the [[Elysium parasite]]s laid eggs the size of [[planet]]s into [[gas giant]]s so their young could consume the world. ([[PROSE]]: ''[[Parasite (novel)|Parasite]]'')
Parasites could operate on any level, either biological or even universal. The [[Red leech]] fed off of a single host, ([[TV]]: ''[[The Crimson Horror (TV story)|The Crimson Horror]]'') while entire races like the [[Nimon]]s and the [[Stingray]]s used up whole civilisations, with the latter consuming the entire surface of a planet and reducing it to dust, ([[TV]]: ''[[The Horns of Nimon (TV story)|The Horns of Nimon]]'', ''[[Planet of the Dead (TV story)|Planet of the Dead]]'') and the [[Elysium parasite]]s laid eggs the size of [[planet]]s into [[gas giant]]s so their young could consume the world. ([[PROSE]]: ''[[Parasite (novel)|Parasite]]'')


== Metaphorical parasites ==
== Metaphorical parasites ==
The term "parasite" was sometimes used to describe persons who exploited others, such as when [[Mehendri Solon]] called the [[Time Lord]]s "spineless parasites". ([[TV]]: ''[[The Brain of Morbius]]'')
The term "parasite" was sometimes used to describe persons who exploited others, such as when [[Mehendri Solon]] called the [[Time Lord]]s "spineless parasites". ([[TV]]: ''[[The Brain of Morbius (TV story)|The Brain of Morbius]]'')


Other beings that were called parasites included the [[Animus]] by [[Vicki Pallister]], ([[TV]]: ''[[The Web Planet]]'') the [[Eternal]]s by the [[Fifth Doctor]], ([[TV]]: ''[[Enlightenment (TV story)|Enlightenment]]'') and the [[Great Intelligence]] by the [[Eleventh Doctor]] ([[TV]]: ''[[The Snowmen]]'') and [[Alistair Gordon Lethbridge-Stewart|Lethbridge-Stewart]]. ([[HOMEVID]]: ''[[Downtime (home video)|Downtime]]'')
Other beings that were called parasites included the [[Animus]] by [[Vicki Pallister]], ([[TV]]: ''[[The Web Planet (TV story)|The Web Planet]]'') the [[Eternal]]s by the [[Fifth Doctor]], ([[TV]]: ''[[Enlightenment (TV story)|Enlightenment]]'') and the [[Great Intelligence]] by the [[Eleventh Doctor]] ([[TV]]: ''[[The Snowmen (TV story)|The Snowmen]]'') and [[Alistair Gordon Lethbridge-Stewart|Lethbridge-Stewart]]. ([[HOMEVID]]: ''[[Downtime (home video)|Downtime]]'')
 
[[Martha Jones]] compared [[Ernest Tiermann]] and his family to parasites living inside the body of a living thing, i.e. [[Dreamhome]]. ([[PROSE]]: ''[[Sick Building]]'')


[[Martha Jones]] compared [[Ernest Tiermann]] and his family to parasites living inside the body of a living thing, i.e. [[Dreamhome]]. ([[PROSE]]: ''[[Sick Building (novel)|Sick Building]]'')
[[Category:Biology from the real world]]
[[Category:Biology from the real world]]
[[Category:Ecology]]
[[Category:Ecology]]
[[Category:Science stubs]]
[[Category:Science stubs]]

Revision as of 19:26, 29 March 2019

ScienceStub.png
Parasite
You may wish to consult parasite (disambiguation) for other, similarly-named pages.

A parasite was an organism that acquired sustenance from a host organism, usually at the host's expense. They were regulated by their metabolisms, so an ecosystem was not overrun by them. (PROSE: Parasite)

Parasites could operate on any level, either biological or even universal. The Red leech fed off of a single host, (TV: The Crimson Horror) while entire races like the Nimons and the Stingrays used up whole civilisations, with the latter consuming the entire surface of a planet and reducing it to dust, (TV: The Horns of Nimon, Planet of the Dead) and the Elysium parasites laid eggs the size of planets into gas giants so their young could consume the world. (PROSE: Parasite)

Metaphorical parasites

The term "parasite" was sometimes used to describe persons who exploited others, such as when Mehendri Solon called the Time Lords "spineless parasites". (TV: The Brain of Morbius)

Other beings that were called parasites included the Animus by Vicki Pallister, (TV: The Web Planet) the Eternals by the Fifth Doctor, (TV: Enlightenment) and the Great Intelligence by the Eleventh Doctor (TV: The Snowmen) and Lethbridge-Stewart. (HOMEVID: Downtime)

Martha Jones compared Ernest Tiermann and his family to parasites living inside the body of a living thing, i.e. Dreamhome. (PROSE: Sick Building)