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 both organisms benefit.
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 between two species in which both species benefit.
Revise: Interdependence and competitionIn mutualism, two different species interact and both benefit. A bee visiting a flowering plant is a clear example. The bee obtains energy-rich nectar, while pollen carried on the bee’s body may be transferred to another flower, allowing pollination and helping the plant reproduce.
Do not describe mutualism as one organism helping another without benefit to itself; both species must benefit.
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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