The galapagos islands contain thirteen species of finches. four are seen here. it is believed that all of these species had one common ancestor and, over time, the species evolved. what statement best describes the thirteen different finch species? a) they are not able to interbreed. b) they all live on different islands. c) they no longer share any similar traits. d) they do not share the same geographic range. 9) all life on earth started as unicelluar, prokaryotic organisms. which of these structures was vital