Reconstruct a question, answer pair from this explanation: Some birds are pollinators that co-evolved with plants. Hummingbirds are the most common bird pollinators. Hummingbirds co-evolved with plants.
Q:Hummingbirds are what they are today as a necessary consequence of their relationship to what?
Options:
- (A) a feeder
- (B) humans
- (C) bees
- (D) survival
- (E) animals
- (F) Plants
- (G) Earth
- (H) weeds
A:(F)