Pollen grains are the vessels to transport the male gamete to the female ovary for fertilization. Pollen is light, it can float is water or be transported by insects, birds, animals and the wind
What is pollen?
Plants produce microscopic round or oval pollen grains to reproduce. In some species, the plant uses the pollen from its own flowers to fertilize itself. Other types must be...
my bio teacher said that pollen in basically flower sperm. therefore, it "fertilizes" the "eggs" in the other flower's ovaries. so yeah. it fertilizes flowers. :)