Choose the suitable words to fill in the blank Duck lives in river , lake , rice field . The ducks .... (1) a cosmopolitan distribution occurring across most of

Choose the suitable words to fill in the blank



Duck lives in river , lake , rice field . The ducks .... (1) a cosmopolitan distribution occurring across most of the world expect for Antartica. A number of species manage to live on sub-Antartic ..... (2) like south Georgia and the auckland islands. Numerous ducks have managed to establish ....(3) on oceanic islands such as Hawaii, new zealand and kerguelen, although many of these species and populations are thereatened or have become extinct. Duck usually eat grasses , aquatic plants , fish , insects , small amphibians, worms, and smal molluks.