The control of migration, its timing and response are genetically controlled and appear to be a primitive trait that is present even in non-migratory species of birds. The ability to navigate and orient themselves during migration is a much more complex phenomenon that may include both endogenous programs as well as learning. COUNT 4
QSN1 What controls a birds migration? ANS1 a primitive trait QSN2 How do birds navigate and orient themselves during migration? ANS2 endogenous programs as well as learning QSN3 What is a primitive trait present even in non migrating birds? ANS3 migration QSN4 What is a complex phenomenon in regards to migration? ANS4 The ability to navigate