How is commensalism different from mutualism?
Mutualism
Interaction in which the organisms that are involved in the interaction are benefitted.
Commensalism
Interaction in which one organism benefits while the other is neither benefited nor injured.
Mutualism | Commensalism |
1.Interaction that benefits all parties involved | 1.Interaction in which one party benefits while the other is neither injured nor helped. |
2.Obligatory relationship | 2.Non-obligatory relationship |
3.Both parties benefit from the arrangement. | 3.Only one of the species involved benefits. |
4.Benefits include nutrients, defense, transport, and shelter | 4.Benefits include nutrients, shelter, support, and transport |
5.Bees and flowers, as well as people and gut bacteria, have a relationship. | 5.Millipedes on birds, hermit crabs using dead gastropods for shelter. |