In addition, it has proteins, vitamins, minerals, all of which are necessary for the pollen grain to grow down the pistil of the plant into the ovary and produce fertile seeds.
(it; has; proteins, vitamins, minerals, all of which are necessary) (proteins, vitamins, minerals; are; necessary) (the pollen grain; to grow down; into the ovary) (the pollen grain; to produce; fertile seeds)
it proteins, vitamins, minerals the pollen grain the pollen grain
has are to grow down to produce
proteins, vitamins, minerals, all of which are necessary
necessary
into the ovary
fertile seeds