Which major event led to the eventual adaptive radiation of Darwin’s finches from one common ancestor (i.e., what is the primary reason they evolved)?(1 point)

Question

Responses

drought
drought - no response given

increased rainfall
increased rainfall - no response given

differing availability and types of food resources
differing availability and types of food resources - no response given

different predators

Answer 1

The primary reason for the adaptive radiation of Darwin's finches from one common ancestor is differing availability and types of food resources. The variations in food resources led to the evolution of different beak shapes and sizes among the finches, allowing them to exploit different ecological niches.