Plant reproduction often requires pollen.
Bees carry pollen from one plant to another when they collect both nectar and pollen.
Plant reproduction often requires bees.
What often requires bees?
Options:
[A] food and shelter
[B] Play dates
[C] important habitats
[D] genetic diversity
[E] Plant reproduction
[F] timers
[G] gene flow
[H] Wasp study