Phoresy: A relationship between host and commensal involving only passive attachment of the commensal to the surface of the host (e.g., barnacle on whale). The supporting partner must be continuously moving. Parasitoid: An organism that is parasitic only during its larval stage. An animal that lives in or on another animal (the host), which it [...]
Parasite: An organism that depends on its host for some essential metabolites and must do some harm to its host, whatever small it may be. Hyperparasitism: A situation in which a parasite occurs on or in another parasite , e.g., Rat intestine’s parasite Giardia muri is parasitized by Entamoeba pantista. Predator: Living by preying upon [...]
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Parasitism is generally a heterospecific association in which one species (Parasite) depends on the other (host) for food and shelter and does harm to the other. Intraspecific parsitism is found in Schistosoma.
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