Companion cells supply the energy that loads sucrose at the source. Sexual reproduction requires formation of gametes, followed by fertilization. The production of individuals in clones describes asexual reproduction. Give the relationship of a flower to a sporophyte. Distinguish between sporophytes and gametophytes.
Sporophytes have several means of reproducing themselves asexually.
Be able to identify the various parts of a typical flower and give their functions. The male floral reproductive parts are called stamens. Carpels are the female reproductive parts of a flower. Relate the sequence of events that give rise to microspores and megaspores. Describe the development of the male gametophyte.