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Earthworms are all Annelids, which is a phylum of segmented worms.

Worms in general are difficult to categorise. Usually black or brown to pink, sometimes blue or iridescentīirds, mammals, reptiles, fish, arthropods – almost everything! Worldwide, except arid and frozen regions They’re slimy, wriggly, subterranean critters, but they do more for us than we realise!Įarthworms literally produce fertile soil from their back ends! Their role in the ecosystem is critical, and they are prevalent in almost every soil where there’s moisture. The earthworm is one of the most important creatures on earth and one that engineers the very foundations of the ecology we live in.