Obligate mutualism is the relationship between mutualists that has changed so you’re able to including a place your a few variety was completely dependent on both. Right here, not one of one’s partners often leads a different life. Most symbioses is obligate for instance the symbiotic relationship out of algae and you will fungus to form lichens.

Specific non-symbiotic mutualism are obligate like those shaped by fungi-agriculture ants, where nei­ther ant neither fungus may survive with no almost every other. (suite…)