What we don't know about these little devils! Extremely interesting article: http://news.bbc.co.uk/earth/hi/earth_news/newsid_8694000/8694377.stm
Scientists Find Earthworms Eat Live Seeds and Plants
I'll probably think about that article each time I find a worm now or when I find a dead plant in my garden!
Ahhhhhh, so that explains why all those seeds I sowed never germinated! (I now have an excuse! LOL)