Image from W.H. Freeman and Sinauer Associates, used by permission. Seeds in a Pod, Arabidopsis sp. The ovary wall, after fertilization has occurred, develops into a fruit . Fruits may be fleshy, hard, multiple or single. View the Seeds of Life site for illustrations and information about fruits and seeds.
Seeds germinate, and the embryo grows into the next gemeration sporophyte.
Coconut fruit containing the seed you usually buy at the store. Image from W.H. Freeman and Sinauer Associates, used by permission. Often some species, such as many orchids, are more frequently propagated vegetatively than via seeds. Tubers are fleshy underground stems, as in the Irish potato. Leaflets are sections of leaf will develop roots and drop off the plant, effectively cloning the plant.