Four species of finch arrive on a newly formed Galapagos island which is covered with cacti growing in loose, dry sand. The cacti have honey-filled flowers and tiny seeds. The theory of evolution by natural selection would probably predict that ____________________ would most succesfully survive, because _________________________. A) Geospiza magnirostris; its large size makes it the fittest. B) Geospiza fortis; it will probably be able to dig up worms with its bill. C) Certhidia oliveacea; its tiny pointed bill is the best adapted to sip nectar. D) Geospiza parvula; animals with intermediate traits tend to have higher survival rates in new places.