+Parasitism describes a symbiotic relationship where one organism, the [Parasite](/wiki/parasite), lives in or on a [Host](/wiki/host), gaining nourishment. This interaction benefits the parasite, often at the host's detriment.
+## See also
+- [Symbiosis](/wiki/symbiosis)
+- [Mutualism](/wiki/mutualism)
+- [Disease](/wiki/disease)
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