phoresy phor·e·sy (fôr'ĭ-sē)
A symbiotic relationship, especially among arthropods and some fishes, in which one organism transports another organism of a different species.
transportation of one organism by another, more mobile one. The term is not applied to a parasitic relationship, but minute parasites may use this means of transport to colonize new hosts. For example, feather lice accomplish phoresy by clinging to the body hairs of blood-sucking flies
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