Biology GCSE
parasitism
What parasitism means in Biology GCSE, as defined for AQA, OCR.
Definitions of parasitism
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
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Reference: OCR
A relationship where the parasite lives in or on a host organism, obtaining nutritional benefit while causing harm.
A relationship in which one species benefits at the expense of the other.
Topics that use parasitism
- Communities (AQA GCSE)
- Ecosystems (OCR GCSE)
Related terms
- competition
- Interdependence
- mutualism
- Transpiration
- abiotic and biotic components
- Abiotic component
- abiotic factors
- Adaptation to environmental conditions
Using parasitism in the exam
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