Without any competition or threats from other species, the birds adapted to take in different foods. Their beaks mirror the different roles they Perform within the Galapagos Islands ecosystem: a finch with a big beak eats tough-shelled fruits and nuts, although a thin-beaked finch receives its nutrition from cactus https://brooks89d1r.bloggazza.com/33369756/examine-this-report-on-bayadah-jeddah-sea