If an earthworm is split in two, it will not become two new worms. The head of the worm may survive and regenerate its tail if the animal is cut behind the clitellum, according to The Washington Post.

Figuring out how an odd, gutless worm regrows its head (or tail) We've got the genome of the closest living relative to bilaterians. John Timmer – Mar 18, 2019 5:25 pm | 25 ...

Highly Invasive Jumping Worms Have Spread to 15 States The invertebrate depletes topsoil of nutrients and makes it difficult for fungi and plants to grow Elizabeth Gamillo - Correspondent ...

The team found that about 70 per cent of the worms regrew a second tail or head instead of the “correct” body part. The rest appeared to be unaffected. To probe further, ...

BACKPACKERS in Australia have been left baffled by video footage of a squirming, mysterious creature with a worm-like body and “rat’s tail”. Guy Shlomi, visiting Down Under from Israel ...

The Tail End of Guinea Worm — Global Eradication without a Drug or a Vaccine. Author: Michele Barry, M.D. Author Info & Affiliations. Published June 21, 2007. N Engl J Med 2007; 356: 2561-2564.