Edexcel GCSE Biology · 1BI0
Specification 9.4 · Paper 2
Revise: Parasitism and MutualismParasitism and mutualism are two important examples.
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GCSE Biology · key term
An interaction between two different species in which one organism benefits and the other is harmed.
Used by Edexcel and OCR
Specification 9.4 · Paper 2
Revise: Parasitism and MutualismParasitism and mutualism are two important examples.
Specification B4.1g · Paper 2 (Foundation), Paper 4 (Higher)
An interaction in which a parasite benefits by living in or on a host, while the host is harmed.
For parasitism, explain both sides: the parasite gains a resource while the host is harmed.
Classify an interaction by its effect on each species: mutualism benefits both; parasitism benefits the parasite but harms the host; predation benefits the predator and harms the prey.
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