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Read Mutualism Through Its Partners
Mutualism benefits both partners and can drive reciprocal evolutionary change.
NSEB · Organisms and Populations · 3 linked questions · 100% coverage
Know this first
Mutualism is the central idea in this question pattern. Identify the condition in the stem before applying the method below.
Study deeper: NCERT Biology · Organisms and Populations
Follow the exchange
Fig trees depend on wasps for pollination and wasps use figs for reproduction. Ophrys orchids mimic female insects; attracted males transfer pollen during pseudocopulation.
Recognise coevolution
When adaptations in one species alter selection on its partner, reciprocal change can occur. Mutualism can involve interdependence, but not every mutualism is strictly obligatory.
OlympIQ exam lens
- ✓Mutualism: both partners benefit.
- ✓Ophrys uses sexual deceit; fig and wasp show specialised dependence.
- ✓Coevolution is reciprocal evolutionary influence.
OlympIQ trap
Mutualism is not one-sided benefit; that would be commensalism or parasitism.
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