Question: Nectar is a sweet liquid that some flowering plants produce. A hummingbird drinks nectar from a flower. When a hummingbird drinks nectar, pollen from the flower sticks to the hummingbird's beak. The picture shows a hummingbird drinking nectar from a flower. Which statement explains the role of a hummingbird in the life cycle of a flowering plant?

  Options: 
 A. A hummingbird carries food to the plant.
 B. A hummingbird helps the plant reproduce.
 C. A hummingbird protects the plant from predators.
 D. A hummingbird makes the flowers produce nectar. 
Answer: B