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Freshwater leeches attach to fish and suck blood from the fish for extended periods of time. This results in sores on the fish that often become infected.

This relationship is best described as

Respuesta :

Answer:parasitism

Explanation:

the leeches benefit but cause the fish harm I’m not sure if this is the type of answer you needed hopefully it helps

triintels01

Answer:

It's called Parasitism. As these leeches live outside the fish body so they are Ectoparasites.

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