Answer:
more likely to go extinct than a niche generalist
Explanation:
A generalist species are capable to strive or live in a large variety of the environmental conditions or factors and is also able to make use of different varieties of resources.
Whereas specialist species can survive only in a small range of certain environmental conditions and is accustomed to a particular way of survival.
Thus a niche specialist is more prone to extinction than a niche generalist.