Usually inside, or on the surface of, its host.
an organism is a baby means a baby lives in another organism which is the mother.
a tapeworm is a parasite. a parasite is an organism that lives off another organism.
Host is an organism on or in which parasite live
A host is an organism that the parasite lives on. In other words the parasite may use the host's resources in a negative way. For example: A tick living off the blood of a human. The tick is the parasite and the human is the host. The tick lives off the blood of the human.
Host
parasite is the organism that lives on other organism without any benefit to the host.
... a parasite.
An external parasite is an organism that lives on another organism. The external parasite depends on its host for food and shelter while the host is usually harmed.
A parasite lives on another organism (host) at the expense of the host. The host is being harmed while the parasite is benefiting.
An organism is a parasite only if its only means of surviving depends on the organism in which it resides.
Parasite
Parasite