What happens to an earthworm throughout its life? Life begins when two worms mate, top to tail. A hard covering forms around the worm and it wriggles out to leave a cocoon. An earthworm uses both ...

Some earthworms are parthenogenetic, meaning that females can reproduce asexually. LIFE CYCLE: Little is known about the life cycle of this species. In general, juvenile earthworms emerge from their ...

How do you get rid of river blindness? It's all about the worm. Specifically, about "breaking the life cycle" of onchocerca volvulu, the parasitic worm that causes the disease, says Dr. Frank O.