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  1. 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 …

  2. Parasitism | Definition & Examples | Britannica

    Dec 5, 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.

  3. Parasitism Definition and Examples

    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 …

  4. Parasitism - Definition, Types, Examples, and Diagram

    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, …

  5. 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 …

  6. What Is Parasitism? Definition and Examples - Biology Insights

    Aug 23, 2025 · Parasitism describes a biological interaction where one organism, the parasite, lives on or in another, the host. The parasite benefits by obtaining resources, while the host is …

  7. 20+ Parasitism Examples

    Jul 4, 2024 · What are Parasitism? Parasitism is a symbiotic relationship where one organism, the parasite, benefits at the expense of the other, the host. Unlike predators, parasites typically do …

  8. 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. …

  9. Parasitism: Definition, Types, Facts & Examples - Sciencing

    Jun 26, 2019 · In parasitism, a parasite can infect the circulatory systems, organs, surfaces and other body parts of an animal, or it can attack a plant's system. The host receives no benefit …

  10. PARASITISM Definition & Meaning - Merriam-Webster

    The meaning of PARASITISM is the behavior of a parasite.