A)Communicate when they are hungry. B)Show aggression. C)Communicate the location of food. D)Sound the alarm to protect the hive when it is invaded. E)Find mates.
If a male white-crowned sparrow is hatched and reared in isolation but allowed during a critical period of imprinting (10 to 50 days after hatching)to hear the song of a male from another species,the bird most likely will
A)only learn the appropriate song of its own species. B)sing the appropriate song of the other species. C)try to modify the crude song it was "born with" with the other-species song and produce a unique song. D)not sing at all. E)develop an abnormal song.