As with many other facultative mutualisms, cheating is present on both sides of the interaction.
2.
Secondly, facultative mutualism, where two mutualistic partners both benefit from the mutualism, but can theoretically survive in each other's absence.
3.
Myrmecochory is traditionally thought to be a diffuse or facultative mutualism with low specialization since ant mutualists need to be larger to successfully carry the diaspore back to the nest.
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