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 [...]
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.
Dr. Amlan Kumar Mitra, Biology Guide Since 2009
