From delicate dandelions to mighty oak trees, millions of plants use seeds to reproduce. But where did the first seeds come from?

Ferns and mosses are examples of plants which do not produce flowers. They grow from spores instead of seeds. Sexual reproduction in plants happens in a cycle-like pattern. Flowers come from seeds ...

You might not know where they come from but the vast majority ... two different parent varieties. Saved seeds may not germinate and if they do, the new plants will not breed true.