What is true of fertilisation is also true of dispersal. Spores, the tiny products of lower plants, are almost always dispersed by wind. So are many seeds. Some seeds, and their later development, fruits, are obviously "adaptations" to a world full of animals. If they are dispersed by being eaten, it is advantageous for them to be nutritious and good to eat. So spores, seeds and fruits may get dispersed mechanicallly or by animals: