Answer:
Darwin's finches
Step-by-step explanation:
Darwin's finches are the 13 different species of bird which he observed on the Galapagos island during his voyage on the H.M.S Beagle. The study of these finches helped Darwin to propose the phenomenon of natural selection. According to Darwin, the 13 different types of finches arose because of the different modes of nutrition for the birds located on each island. Through natural selection, those traits evolved which made the species more adaptable to live on the particular island