Question

6. Example members of the tanager family, Thraupidae, are
A. Lincoln Sparrows
B. Darwin's Finches
C. Dark-eyed Juncos
D. Northern Cardinals

7. There are ________ major migratory flyways for birds of North America
A. 3
B. 4
C. 5
D. 6

8. Birds that have seasonal altitudinal movements, instead of north-south migrations,
A. rely on biodiverse, mixed forests
B. tend to be omnivorous
C. will display occasional irruptive movements
D. all of the above

9. A typical "molecular clock"
A. measures the rate of chemical reactions
B. measures the molecular changes during light and dark cycles
C. identifies the number of mutations of genes over time
D. determines the timing of spring and fall migrations

10. The best evidence for the origin avian migratory behavior suggests a time of
A. about 160-140 million years ago near the origin of birds
B. about 65 million years ago with the extinction of dinosaurs
C. about 35-25 million years ago during the Oligocene-Miocene boundary
D. about 5 million years ago at the end of the Miocene

Answer 1