A Bird Species Responds to Earlier Spring Weather in Its

Multiple Choice

A bird species responds to earlier spring weather in its wintering grounds by flying north several weeks earlier.It arrives at its summer location several weeks before the snow melts.How is this situation likely to affect bird populations?

A) It will have little effect;birds will simply wait for the snow to melt.
B) It will have little effect;birds will again fly south to warmer areas.
C) It will have a minor effect;it will delay but not inhibit breeding.
D) It will have a minor effect;birds will adapt and breed successfully.
E) It will have a major effect;many birds may die of starvation before breeding.