#286: Invertebrates: Earthworms

Lumbricus terrestris, the common earthworm

Patrick Barkham explains the importance of earthworms to our food supply and soil health. 

Part of a feature in this weekend's Guardian newspaper. There's a range of stories every Saturday which always connect with the likely contents of the specification when it (eventually) appears.

Update

Earthworms won the vote for the best invertebrate...