Question

adaptive radiation of darwin’s finches
why is adaptive radiation beneficial?
it is not beneficial.
it reduces the amount of food available to the organisms in the ecosystem.
it allows species to evolve and fill new niches.

Explanation:

Adaptive radiation leads to speciation. New species can exploit different resources and habitats, increasing biodiversity and an organism's chances of survival in changing environments.

Answer:

It allows species to evolve and fill new niches.