I find the actual process of seeds coming to life, or actually, anything in our world coming to life fascinating- so much that I have studied it over time, whether it was an academic assignment or just me, wanting to know from a personal level.....how stuff works. ;)
Here are diagrams of the wondrous process first with tomatoes, then other types of seed as shown.
The actual process of tomato seed germination. I find this stuff fascinating....but then, I'm an agricultural/horticultural/floricultural geek girl. :-D
The taxonomy of other types of Seed Germination.....the Garden Bean, Pea, and Corn.