The plants make flowers that have nectar and pollen that the bees need for food.
(The plants; make; flowers that have nectar and pollen) (flowers; have; nectar and pollen that the bees need for food) (nectar and pollen; need; for food)
The plants flowers nectar and pollen
make have need
flowers that have nectar and pollen
nectar and pollen that the bees need for food
for food