MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY
Earthworm (order Haplotaxida). Close-up of the head end of an earthworm. Earthworms are annelid worms that inhabit soil, feeding on organic material. They are highly beneficial as their movement aerates the soil, while their feeding and excretion recycle nutrients and minerals.
Model release not required. Property release not required.