All About Earthworms – Introduction
Earthworms Probably one of the most easily recognized invertebrates, earthworms are of the phylum Annelida, meaning "ringed" and refers to a series of segments that make up their bodies. Varying from all brown to a pinkish colour and lengths from a few millimeters to 300mm (1ft) in some species but are usually up to 100mm (4in). There are four very common worm species - Night crawlers, as its name suggests they are more often seen at night [...]