reciprocal altruism
Biology
noun
Behaviour that benefits another unrelated organism, carried out in the expectation of its being reciprocated; the theory holding that behaviour of this type has evolved because is likely to increase the chances of survival or reproductive success for the apparently altruistic organism.
Origin
1970s.
- fairy's grotto
- fairyship
- fairy shrimp
- fairy sparks
- fairy's thimble
- fairy stone
- fairy story
- fairy's treasure
- fairy table
- fairy tale
- fairy-tale ending
- fairy-tale-ish
- fairy-tale prince
- fairy-tale princess
- fairy tern
- fairy thimble
- fairy treasure
- fairy wand
- fairy wealth
- fairy weed
- fairy wing
- fairy wren
- Faisal
- Faisalabad
- faisandé