mutualistic

/ˌmjuːtʃuəˈlɪstɪk/
adjective
  1. Describing a relationship in which both sides benefit.
    • The mutualistic bond between bees and flowers is essential for pollination.
    • Many coral reefs depend on mutualistic algae that live inside the coral.
    • The two companies formed a mutualistic partnership to share technology.