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• n  the relation between two different species of organisms that are interdependent; each gains benefits from the other

• symbiosis

News & Articles

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• Sanction mechanism identified between ants and host plants
  In nature, many forms of plant-animal mutualism exist in which each partner benefits from the presence of the other. Although mutualistic interactions offer advantages for both partners, they are nonetheless a source of conflict. Biologists have recently observed an original sanction interaction between a plant and an ant.
  July 16, 2013 - Science Daily