Pollen grains produce tubes that grow into the female part of the flower and from which the plant's eggs are fertilised.
(Pollen grains; produce; tubes that grow into the female part of the flower) (tubes; grow; into the female part of the flower) (the plant's eggs; are fertilised; )
Pollen grains tubes the plant's eggs
produce grow are fertilised
tubes that grow into the female part of the flower
into the female part of the flower