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| + | {{ep disambiguation|TNG}} |
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| − | {{inuse}} |
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| − | :''For the episode with the same name see [[Symbiosis (episode)|Symbiosis]].'' |
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==Parasitism== |
==Parasitism== |
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| + | [[File:Alien parasite mother.jpg|thumb|The host's body is destroyed as the parasite leaves it]] |
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| − | The relationship is harmful to one, but beneficial to the other. |
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| + | The [[parasite|parasitic]] relationship was harmful to one, but beneficial to the other. Unlike normal predatory behavior, it was usually in the parasite's best interest to keep its prey alive. The parasite also lived very close to, or attached to the victim. In this case, the joining was often unwanted by the host. It was in the nature of most species to survive, thus naturally rejecting such relationships. |
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* [[Anaphasic lifeform]] |
* [[Anaphasic lifeform]] |
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* [[Interspatial parasite]] |
* [[Interspatial parasite]] |
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| + | * [[Onaya]], although this might be considered [[#mutualism|mutualism]] on some level |
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| + | * [[Redjac]] |
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<!-- * [[Surata microbes]] (Do not list, predatory not parasitic) --> |
<!-- * [[Surata microbes]] (Do not list, predatory not parasitic) --> |
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* [[Tarchannen III species]] |
* [[Tarchannen III species]] |
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===Neural Parasites=== |
===Neural Parasites=== |
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+ | :'''See main article:''' [[Neural parasite]] |
* [[Neural parasite (23rd century)]] |
* [[Neural parasite (23rd century)]] |
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* [[Neural parasite (24th century)]] |
* [[Neural parasite (24th century)]] |
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===Social Parasitism=== |
===Social Parasitism=== |
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| − | * [[ |
+ | * The [[Brekkian]] relationship with the [[Ornaran]]s. ({{TNG|Symbiosis}}) |
===Parasitic behavior including non-organisms=== |
===Parasitic behavior including non-organisms=== |
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* [[Nitrium parasite]] |
* [[Nitrium parasite]] |
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* [[Silicon-based parasite]] |
* [[Silicon-based parasite]] |
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==Mutualism== |
==Mutualism== |
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| + | [[File:Trill symbiont.jpg|thumb|A Trill symbiont]] |
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| − | The relationship is mutually beneficial to both organisms. |
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| + | The relationship is mutually beneficial to both organisms. One example of this was the relationship between [[Sentient]] vermiform [[lifeform]]s from the [[planet]] {{dis|Trill|planet}} and their [[Trill]] hosts. They were able to share in a mutually beneficial relationship with their hosts. ({{DS9|Equilibrium}}) The [[symbiont]] remained protected and shared resources with the host's body. The host gained the memories of the past hosts' lives and experiences, something deemed a wanted benefit by the host. Trill were primary hosts of the symbionts, however there were other host species, including a [[Human]] host in the form of [[William T. Riker]]. ({{TNG|The Host}}) |
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* [[Trill]] [[Symbiont]] |
* [[Trill]] [[Symbiont]] |
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| − | * [[Riva's chorus]] |
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* [[Tam Elbrun]] and [[Gomtuu]] |
* [[Tam Elbrun]] and [[Gomtuu]] |
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==Commensalism== |
==Commensalism== |
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| + | [[File:SargonSaysHello.jpg|thumb|Sargon leaves his sphere to enter his host, Kirk]] |
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| − | + | In a commensalist relationship, one organism benefits from the relationship, the other is not affected. Often, the host showed little or no benefit from such a joining. |
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| + | This exhibited itself in the case of beings of disembodied form described as "matter without form," who borrowed the bodies of {{USS|Enterprise|NCC-1701}} crew. They were an [[Sargon|advanced humanoid]] race whose world was destroyed. As such, they requested to use the crew's bodies as a temporary form to construct [[Android]] bodies to live in. After one of the beings, [[Henoch]], tried to kill one of the other two, the plan was abandoned and the beings left their host. In this situation the relationship was neutral for the crew members. There was no long term harm done, however there was no personal gain as being a host. ({{TOS|Return to Tomorrow}}) |
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* [[magnetic organism]] |
* [[magnetic organism]] |
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| + | * [[Drella]] |
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| − | == |
+ | ==Other references== |
| + | [[Kevin Uxbridge]] was a [[botanist]] who specialized in symbiotic plant life. ({{TNG|The Survivors}}) |
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| + | ==External link== |
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* {{wikipedia}} |
* {{wikipedia}} |
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| + | [[Category:Biology]] |
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| + | |||
| + | [[de:Parasit]] |
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| + | [[fr:Symbiose]] |
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Revision as of 22:07, 4 April 2016
Symbiosis was a dependent relationship between dissimilar organisms. Types of symbiosis included parasitism, mutualism, and commensalism. Some would argue that "symbiosis" only referred to mutualism.
Parasitism
The host's body is destroyed as the parasite leaves it
The parasitic relationship was harmful to one, but beneficial to the other. Unlike normal predatory behavior, it was usually in the parasite's best interest to keep its prey alive. The parasite also lived very close to, or attached to the victim. In this case, the joining was often unwanted by the host. It was in the nature of most species to survive, thus naturally rejecting such relationships.
- Anaphasic lifeform
- Ceti eel
- Danaxian tapeworm
- Interspatial parasite
- Onaya, although this might be considered mutualism on some level
- Redjac
- Tarchannen III species
- Ves Alkar
Neural Parasites
- See main article: Neural parasite
- Neural parasite (23rd century)
- Neural parasite (24th century)
- Xindi neural parasite
Social Parasitism
Parasitic behavior including non-organisms
Mutualism
A Trill symbiont
The relationship is mutually beneficial to both organisms. One example of this was the relationship between Sentient vermiform lifeforms from the planet Trill and their Trill hosts. They were able to share in a mutually beneficial relationship with their hosts. (DS9: "Equilibrium") The symbiont remained protected and shared resources with the host's body. The host gained the memories of the past hosts' lives and experiences, something deemed a wanted benefit by the host. Trill were primary hosts of the symbionts, however there were other host species, including a Human host in the form of William T. Riker. (TNG: "The Host")
Commensalism
Sargon leaves his sphere to enter his host, Kirk
In a commensalist relationship, one organism benefits from the relationship, the other is not affected. Often, the host showed little or no benefit from such a joining.
This exhibited itself in the case of beings of disembodied form described as "matter without form," who borrowed the bodies of USS Enterprise crew. They were an advanced humanoid race whose world was destroyed. As such, they requested to use the crew's bodies as a temporary form to construct Android bodies to live in. After one of the beings, Henoch, tried to kill one of the other two, the plan was abandoned and the beings left their host. In this situation the relationship was neutral for the crew members. There was no long term harm done, however there was no personal gain as being a host. (TOS: "Return to Tomorrow")
Other references
Kevin Uxbridge was a botanist who specialized in symbiotic plant life. (TNG: "The Survivors")