When a species becomes extinct, the plant and animal species associated with it in an obligetory way also become extinct, this statement is correct for
Brood Parasitism
Co - extinction
Mutualism
Commensalism
As we learned
Co-extinctions -
When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. When a host fish species becomes extinct, its unique assemblage of parasites also meets the same fate.
- wherein
Another example is the case of a coevolved plant-pollinator mutualism where extinction of one invariably leads to the extinction of the other.