Number the statements in the correct sequence the finches increased in numbers and, under influence of natural selection, gradually became adapted to the local environment. some managed to fly back to the first island but reproductive isolation had occurred between them and the existing population. originally, there were no finches on the islands. some finches from the mainland managed to fly across to them. some of the finches managed to fly to a second island where the environment was different. gradually they adapted to the conditions on the second island. this process was repeated over and over again as the finches colonized more of the islands. some finches managed to fly to other islands where the environment was different. adaptation to the new conditions gradually took place