
Parasitism | Definition & Examples | Britannica
Feb 20, 2025 · Parasitism, relationship between two species of plants or animals in which one benefits at the expense of the other, sometimes without killing the host organism. Parasites may be characterized as ectoparasites, which live on the body surface of the host, or endoparasites, which live within a host’s body.
Parasitism - Wikipedia
Parasitism is a kind of symbiosis, a close and persistent long-term biological interaction between a parasite and its host. Unlike saprotrophs, parasites feed on living hosts, though some parasitic fungi, for instance, may continue to feed on hosts they have killed.
Parasitism - Definition, Types and Examples | Biology Dictionary
Apr 28, 2017 · Parasitism Definition. Parasitism is a type of symbiotic relationship, or long-term relationship between two species, where one member, the parasite, gains benefits that come at the expense of the host member.
Parasitism - Definition, Types, Examples, and Diagram - Science …
Sep 26, 2023 · Parasitism is a long-term, symbiotic relationship in which one organism, the parasite, lives on or within another organism, the host. The parasite derives nutrients, shelter, or other resources from the host, often harming the host’s well-being.
Parasitism: Definition and Examples - ThoughtCo
Oct 24, 2019 · Parasitism is defined as a relationship between two species in which one organism (parasite) lives on or within the other organism (host), causing the host some degree of harm. A parasite reduces its host's fitness but increases its own fitness, usually by …
Parasitism Definition and Examples - Science Notes and Projects
Aug 30, 2022 · Parasitism is a symbiotic relationship between two species in which one organism benefits, while the other suffers harm. The parasite species gains the advantage, while the host species experiences the harm. For example, fleas are a parasite of dogs and cats (their host).
16.4: Parasitism - Biology LibreTexts
Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life (Poulin, 2007).
Parasitism - Definition and Examples - Biology Online Dictionary
Parasitism is a symbiotic relationship in which one organism, the parasite, causes harm to another, the host, on whom the parasite relies for habitat and resource acquisition. Parasitic relationship examples include humans, plants, insects, and fish parasites. Here are some parasitism facts:
What Is Parasitism? - Definition, Types and Examples of Parasitism …
Aug 6, 2020 · Parasitism is generally defined as a relationship between the two living species in which one organism is benefitted at the expense of the other. The organism that is benefitted is called the parasite, while the one that is harmed is called the host.
The Parasitic Relationship: Hosts and Parasites Explained
Jan 1, 2025 · Parasitism is a widespread ecological phenomenon, with parasites affecting nearly every group of organisms, from plants to animals to fungi. These relationships vary greatly, from microscopic internal parasites like Plasmodium (the malaria parasite) to larger external parasites like lice and ticks.