Pollen tube through wind, water or pollinators. The last step before fertilization is the growth of the pollen tube to transfer non-motile sperm to the protected egg. Pollen tubes are unique to plants and their structure had evolved over plant history. The pollen tube formation is complex and the mechanism is not fully understood, but is of great interest to scientists. Pollen is produced by the stamen, the male reproductive organ of the flower. Each pollen grain contains a vegetative cell, and a generative cell that divides to form two sperm cells. The pollen is delivered by the opening of anthers for
The Poppy Is Also a Flower The film is based on an idea by Ian Fleming, the James Bond creator. Funded in part by a grant from Xerox, it was produced by the United Nations and the stars received a salary of $1. Terence Young left the direction of "Thunderball" to make the film. "The Poppy Is Also a Flower" was the last of four television movies commissioned by the United Nations, to publicise its missions and roles in world peace and diplomacy. The film was originally 80 minutes in length for its ABC telecast, minus commercial time for the 90-minute slot. It was expanded to