I am stunned by how strong is the impetus to live. I can hardly think of a less condign environment than a sealed bag of soil that sits it the hot sun for a long period. But a grass-like seed (I presume) evidently spied a little light through a tiny little hole and decided to grow out and through that hole.
I hope, however, that other determined seeds were extinguished and that they're not about to sprout willy nilly once I open the bags and spread the soil. I really do hope that. Sincerely.