An ovule is attached to the ovary wall by a structure called the funiculus . The funiculus will also be a seed's attachment to the ovary tissue after fertilization and development of an embryo. Meiosis occurs within an ovule, producing a single haploid megaspore. At maturity, the embryo sac is contained within the ovule. In fact, you want to be so special that the pollinating agent will visit your species exclusively, for at least the time that you are in flower.
Most plants have mechanisms that assure cross-pollination which produces more genetic variation.
Types of Pollinating Agents and Flower Modifications for Pollinators 1. The style may have mechanisms to facilitate the growth of the tube. Each pollen grain contains Two sperm which migrate down the pollen tube. Ultimately, the sperm will migrate to the embryo sac at a region called the micropyle , which is at the base of the synergids and egg. Fertilization Unlike any other living organisms, flowering plants require 2 sperm for successful reproduction.