The prickly pear cactus became unusually abundant after its introduction in Australia , because it
had no coevolved herbivores
formed new mycorrhizal association
lost its thorns
all of these
As we have learned
co-evolution -
Plant-animal interactions often involve co-evolution of the mutualists, that is, the evolutions of the flower and its pollinator species are tightly linked with one another.
- wherein
In many species of fig trees, there is a tight one-to-one relationship with the pollinator species of wasp