Parasitism & Mutualism
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15 terms
Terms | Definitions |
|---|---|
 symbiosis | close association between two species in which they live together on a permanent basis |
| infection | heavy load of parasites |
| disease | the outcome of an infection |
| microparasite | very small parasites that have a short generation time; includes bacteria & viruses |
| macroparasite | large parasite that can be seen with the naked eye; includes flatworms & ticks |
| ectoparasite | parasites that live on the outside part of the host's body |
| endoparasite | parasites that live inside the host's body |
| definitive host | host species in which the parasite becomes an adult & reaches maturity |
| intermediate host | host in which a parasite goes through some developmental stage of its life cycle |
| parasitism | relationship in which one organism benefits & the other is harmed |
| mutualism | relationship in which both organisms benefit |
| commensalism | relationship in which one organism benefits & the other is unaffected |
| parasite | organism that benefits in a parasitic relationship |
| host | organism that is harmed in a parasitic relationship |
| vector | organism, such as an insect, that acts as an intermediate host for a parasite but is not effected by it |
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