Answer:
A visit to the Galapagos Islands in 1835 helped Darwin formulate his ideas on natural selection. He found several species of finch adapted to different environmental niches. The finches also differed in beak shape, food source, and how food was captured.
Mechanisms of evolution correspond to violations of different Hardy-Weinberg assumptions. They are mutation, non-random mating, gene flow, finite population size (genetic drift), and natural selection.
Step-by-step explanation: