the-diversity-of-beak-sizes-and-shapes-among-closely-related-finch-species-on-oc

Question

The diversity of beak sizes and shapes among closely related finch species on oceanic islands is commonly used as evidence for:

Accepted Answer

Adaptive radiation into different ecological niches

Answer

Artificial selection carried out by island inhabitants

Answer

Random mutation without environmental influence

Answer

Complete genetic uniformity within bird populations